Build: Bump google-auth from 2.57.0 to 2.57.1 (#3940)

Bumps [google-auth](https://github.com/googleapis/google-cloud-python) from 2.57.0 to 2.57.1.
- [Release notes](https://github.com/googleapis/google-cloud-python/releases)
- [Changelog](https://github.com/googleapis/google-cloud-python/blob/main/packages/google-cloud-documentai/CHANGELOG.md)
- [Commits](googleapis/google-cloud-python@google-auth-v2.57.0...google-auth-v2.57.1)

---
updated-dependencies:
- dependency-name: google-auth
  dependency-version: 2.57.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]