Release: v3.0.0 (#510)

## What's Changed
* Bump to Node 24 and remove old parameters by @sethvargo in
https://github.com/google-github-actions/auth/pull/508
* Remove hacky script by @sethvargo in
https://github.com/google-github-actions/auth/pull/509


**Full Changelog**:
https://github.com/google-github-actions/auth/compare/v2.1.13...v3.0.0