chore(main): release string_decoder 1.4.0 (#2)

🤖 I have created a release *beep* *boop*
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##
[1.4.0](string_decoder-v1.3.0...string_decoder-v1.4.0)
(2026-08-15)


### Features

* adopt string_decoder as @unabandoned/string_decoder
([#1](#1))
([c0bb5f1](c0bb5f1))

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