build(deps): bump google-github-actions/setup-gcloud from 2.2.0 to 3.0.0 (#9587)

Bumps [google-github-actions/setup-gcloud](https://github.com/google-github-actions/setup-gcloud) from 2.2.0 to 3.0.0.
- [Release notes](https://github.com/google-github-actions/setup-gcloud/releases)
- [Changelog](https://github.com/google-github-actions/setup-gcloud/blob/main/CHANGELOG.md)
- [Commits](google-github-actions/setup-gcloud@cb1e50a...26f734c)

---
updated-dependencies:
- dependency-name: google-github-actions/setup-gcloud
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/serverless-project.yml

@@ -79,7 +79,7 @@ jobs:
           project-id: "elastic-observability-ci"
 
       - name: Set up Cloud SDK
-        uses: google-github-actions/setup-gcloud@cb1e50a9932213ecece00a606661ae9ca44f3397
+        uses: google-github-actions/setup-gcloud@26f734c2779b00b7dda794207734c511110a4368
 
       # TODO: as soon as the oblt-framework supports elastic-observability-ci we can avoid this step.
       # NOTE: