Bump @actions/http-client from 1.0.7 to 1.0.8 in /setup-gcloud
Bump @actions/http-client from 1.0.7 to 1.0.8 in /setup-gcloud

Bumps [@actions/http-client](https://github.com/actions/http-client) from 1.0.7 to 1.0.8.
- [Release notes](https://github.com/actions/http-client/releases)
- [Changelog](https://github.com/actions/http-client/blob/master/RELEASES.md)
- [Commits](https://github.com/actions/http-client/commits)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
google-github-actions/setup-gcloud,google-github-actions/setup-gcloud,google-github-actions/setup-gcloud