Bumps [@firebase/auth-compat](https://github.com/firebase/firebase-js-sdk/tree/HEAD/packages/auth-compat) from 0.6.8 to 0.6.9.
- [Release notes](https://github.com/firebase/firebase-js-sdk/releases)
- [Changelog](https://github.com/firebase/firebase-js-sdk/blob/main/packages/auth-compat/CHANGELOG.md)
- [Commits](https://github.com/firebase/firebase-js-sdk/commits/@firebase/[email protected]/packages/auth-compat)

---
updated-dependencies:
- dependency-name: "@firebase/auth-compat"
  dependency-version: 0.6.9
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Bumps  and [brace-expansion](https://github.com/juliangruber/brace-expansion). These dependencies needed to be updated together.

Updates `brace-expansion` from 2.0.3 to 2.1.4
- [Release notes](https://github.com/juliangruber/brace-expansion/releases)
- [Commits](juliangruber/brace-expansion@v2.0.3...v2.1.4)

Updates `brace-expansion` from 5.0.6 to 5.0.9
- [Release notes](https://github.com/juliangruber/brace-expansion/releases)
- [Commits](juliangruber/brace-expansion@v2.0.3...v2.1.4)

Updates `brace-expansion` from 1.1.13 to 1.1.18
- [Release notes](https://github.com/juliangruber/brace-expansion/releases)
- [Commits](juliangruber/brace-expansion@v2.0.3...v2.1.4)

---
updated-dependencies:
- dependency-name: brace-expansion
  dependency-version: 2.1.4
  dependency-type: indirect
- dependency-name: brace-expansion
  dependency-version: 5.0.9
  dependency-type: indirect
- dependency-name: brace-expansion
  dependency-version: 1.1.18
  dependency-type: indirect
...

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Bumps [@firebase/auth-types](https://github.com/firebase/firebase-js-sdk/tree/HEAD/packages/auth-types) from 0.13.1 to 0.13.2.
- [Release notes](https://github.com/firebase/firebase-js-sdk/releases)
- [Changelog](https://github.com/firebase/firebase-js-sdk/blob/main/packages/auth-types/CHANGELOG.md)
- [Commits](https://github.com/firebase/firebase-js-sdk/commits/@firebase/[email protected]/packages/auth-types)

---
updated-dependencies:
- dependency-name: "@firebase/auth-types"
  dependency-version: 0.13.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Bumps [@firebase/app-compat](https://github.com/firebase/firebase-js-sdk/tree/HEAD/packages/app-compat) from 0.5.15 to 0.5.17.
- [Release notes](https://github.com/firebase/firebase-js-sdk/releases)
- [Changelog](https://github.com/firebase/firebase-js-sdk/blob/main/packages/app-compat/CHANGELOG.md)
- [Commits](https://github.com/firebase/firebase-js-sdk/commits/@firebase/[email protected]/packages/app-compat)

---
updated-dependencies:
- dependency-name: "@firebase/app-compat"
  dependency-version: 0.5.17
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Bumps [@firebase/database-compat](https://github.com/firebase/firebase-js-sdk/tree/HEAD/packages/database-compat) from 2.1.4 to 2.1.7.
- [Release notes](https://github.com/firebase/firebase-js-sdk/releases)
- [Changelog](https://github.com/firebase/firebase-js-sdk/blob/main/packages/database-compat/CHANGELOG.md)
- [Commits](https://github.com/firebase/firebase-js-sdk/commits/@firebase/[email protected]/packages/database-compat)

---
updated-dependencies:
- dependency-name: "@firebase/database-compat"
  dependency-version: 2.1.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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…cs (#3206)

* chore(docs): add custom `@excludeFromDocs` tag to filter generated docs

* chore: fix report file path validation

* chore: fix paths

* chore: fix paths

* chore(docs): remove redundant path validation from report generation

* add deprecate tag to deprecate the ml module

* run cl to extract docstring

Bumps [@fastify/busboy](https://github.com/fastify/busboy) from 3.2.0 to 3.2.2.
- [Release notes](https://github.com/fastify/busboy/releases)
- [Commits](fastify/busboy@v3.2.0...v3.2.2)

---
updated-dependencies:
- dependency-name: "@fastify/busboy"
  dependency-version: 3.2.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Bumps [nock](https://github.com/nock/nock) from 14.0.16 to 14.0.17.
- [Release notes](https://github.com/nock/nock/releases)
- [Changelog](https://github.com/nock/nock/blob/main/CHANGELOG.md)
- [Commits](nock/nock@v14.0.16...v14.0.17)

---
updated-dependencies:
- dependency-name: nock
  dependency-version: 14.0.17
  dependency-type: direct:development
  update-type: version-update:semver-patch
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Bumps [browserslist](https://github.com/browserslist/browserslist) from 4.28.4 to 4.28.9.
- [Release notes](https://github.com/browserslist/browserslist/releases)
- [Changelog](https://github.com/browserslist/browserslist/blob/main/CHANGELOG.md)
- [Commits](browserslist/browserslist@4.28.4...4.28.9)

---
updated-dependencies:
- dependency-name: browserslist
  dependency-version: 4.28.8
  dependency-type: indirect
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Bumps [fast-uri](https://github.com/fastify/fast-uri) from 3.1.5 to 3.1.7.
- [Release notes](https://github.com/fastify/fast-uri/releases)
- [Commits](fastify/fast-uri@v3.1.5...v3.1.7)

---
updated-dependencies:
- dependency-name: fast-uri
  dependency-version: 3.1.7
  dependency-type: indirect
...

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… recent version (#3253)

Bumps [@types/lodash](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/lodash) from 4.17.24 to 4.17.25.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/lodash)

---
updated-dependencies:
- dependency-name: "@types/lodash"
  dependency-version: 4.17.25
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Bumps [jwks-rsa](https://github.com/auth0/node-jwks-rsa) from 4.0.1 to 4.1.0.
- [Release notes](https://github.com/auth0/node-jwks-rsa/releases)
- [Changelog](https://github.com/auth0/node-jwks-rsa/blob/master/CHANGELOG.md)
- [Commits](auth0/node-jwks-rsa@v4.0.1...v4.1.0)

---
updated-dependencies:
- dependency-name: jwks-rsa
  dependency-version: 4.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Bumps [google-auth-library](https://github.com/googleapis/google-cloud-node/tree/HEAD/core/packages/google-auth-library-nodejs) from 10.9.0 to 11.1.0.
- [Release notes](https://github.com/googleapis/google-cloud-node/releases)
- [Changelog](https://github.com/googleapis/google-cloud-node/blob/main/core/packages/google-auth-library-nodejs/CHANGELOG.md)
- [Commits](https://github.com/googleapis/google-cloud-node/commits/google-auth-library-v11.1.0/core/packages/google-auth-library-nodejs)

---
updated-dependencies:
- dependency-name: google-auth-library
  dependency-version: 11.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Bumps [sinon](https://github.com/sinonjs/sinon) and [@types/sinon](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/sinon). These dependencies needed to be updated together.

Updates `sinon` from 22.0.0 to 22.1.0
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/main/CHANGES.md)
- [Commits](sinonjs/sinon@v22.0.0...v22.1.0)

Updates `@types/sinon` from 21.0.1 to 22.0.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/sinon)

---
updated-dependencies:
- dependency-name: "@types/sinon"
  dependency-version: 22.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
- dependency-name: sinon
  dependency-version: 22.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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* feat(messaging): migrate topic subscriptions to FCM v1 API

Migrate `subscribeToTopic` and `unsubscribeFromTopic` methods in `admin.messaging.Messaging` from legacy Instance ID (IID) endpoints (`iid.googleapis.com/iid/v1`) to the modernized single-token Firebase Cloud Messaging (FCM) v1 Topics Subscription REST API (`fcm.googleapis.com/v1`).

- Update `subscribeToTopic` (`CreateTopicSubscription`) and `unsubscribeFromTopic` (`DeleteTopicSubscription`) to use HTTP/2 transport by default (or HTTP/1.1 via `enableLegacyHttpTransport()`).
- Implement client-side concurrency pooling (`runWithConcurrencyLimit`) bounded to 100 concurrent requests per batch to avoid HTTP/2 stream exhaustion.
- Preserve idempotency by treating `ALREADY_EXISTS` (HTTP 409) as success for subscription requests, and `NOT_FOUND` (HTTP 404) as `REGISTRATION_TOKEN_NOT_REGISTERED` for unsubscription requests.
- Add legacy backup/escape-hatch methods `subscribeToTopicLegacy` and `unsubscribeFromTopicLegacy` annotated with `@deprecated Use {@link Messaging.subscribeToTopic} instead.` and `@deprecated Use {@link Messaging.unsubscribeFromTopic} instead.`.

TAG=agy
CONV=a2576aae-730b-4fb1-a151-9e6913f97be4

* fix lint errors

* address PR feedback

* refactor duplicate code

* fix(messaging): capture HTTP/2 session errors in topic management requests

* fix(messaging): map UNREGISTERED error code to registration-token-not-registered in topic management

* refactor(messaging): address PR review feedback