fix(releasing): Fix version calculation (vectordotdev#11778)

Adding `rust-version` was causing the `awk` script to match it as well.

Signed-off-by: Jesse Szwedko <[email protected]>

chore(docs): Consistently use `s for versions

Signed-off-by: Jesse Szwedko <[email protected]>

chore(releasing): Prepare v0.19.3 release

Signed-off-by: Jesse Szwedko <[email protected]>

fix(releasing): Update rpm tests (vectordotdev#11140)

* fix(releasing): Update rpm tests

Drop EOL distributions. This was prompted because the mirrors for Centos
8 no longer exist.

https://www.centos.org/centos-linux-eol/

Signed-off-by: Jesse Szwedko <[email protected]>

* Allow replacing existing packages

Signed-off-by: Jesse Szwedko <[email protected]>

* Allow replacing installed packages

Signed-off-by: Jesse Szwedko <[email protected]>

* conditionally install curl

Signed-off-by: Jesse Szwedko <[email protected]>

chore(releasing): Prepare v0.19.1 release

Signed-off-by: Jesse Szwedko <[email protected]>

chore(releasing): Prepare 0.19.0 release (vectordotdev#10605)

* chore(releasing): Prepare 0.19.0 release

Signed-off-by: Jesse Szwedko <[email protected]>

chore(releasing): Prepare 0.18.1

Signed-off-by: Jesse Szwedko <[email protected]>

Point upgrade tokio to address advisory (vectordotdev#10103)

Our tokio version was previously 1.13.0 which had an advisory regarding a panic
in oneshot, per tokio-rs/tokio#4225. This problem is
corrected in 1.13.1, which this commit bumps us to.

Signed-off-by: Brian L. Troutwine <[email protected]>