chore(deps): update google-github-actions/setup-gcloud action to v3 (#1267)

| datasource  | package                            | from   | to     |
| ----------- | ---------------------------------- | ------ | ------ |
| github-tags | google-github-actions/setup-gcloud | v2.2.0 | v3.0.0 |

Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
Co-authored-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
Co-authored-by: Dimitris Sotirakis <dimitrios.sotirakis@grafana.com>

Author: renovate-sh-app[bot]

actions/login-to-gar/action.yaml

@@ -54,7 +54,7 @@ runs:
 
     - name: Setup `gcloud` CLI
       if: ${{ !steps.check_if_gcloud_is_installed.outputs.gcloud-installed }}
-      uses: google-github-actions/setup-gcloud@e427ad8a34f8676edf47cf7d7925499adf3eb74f # v2.2.1
+      uses: google-github-actions/setup-gcloud@26f734c2779b00b7dda794207734c511110a4368 # v3.0.0
       with:
         # Accept any version
         version: