build(deps): bump google-github-actions/auth from 1.1.1 to 1.2.0

Bumps [google-github-actions/auth](https://github.com/google-github-actions/auth) from 1.1.1 to 1.2.0.
- [Release notes](https://github.com/google-github-actions/auth/releases)
- [Changelog](https://github.com/google-github-actions/auth/blob/main/CHANGELOG.md)
- [Commits](google-github-actions/auth@v1.1.1...v1.2.0)

---
updated-dependencies:
- dependency-name: google-github-actions/auth
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/main.yml

@@ -53,7 +53,7 @@ jobs:
       - id: "auth"
         if: github.ref == 'refs/heads/main'
         name: "Authenticate to Google Cloud"
-        uses: "google-github-actions/auth@v1.1.1" # ratchet:google-github-actions/auth@v1.0.0
+        uses: "google-github-actions/auth@v1.2.0" # ratchet:google-github-actions/auth@v1.0.0
         with:
           workload_identity_provider: ${{ secrets.NAIS_IO_WORKLOAD_IDENTITY_PROVIDER }}
           service_account: "gh-mutilator@nais-io.iam.gserviceaccount.com"
@@ -122,7 +122,7 @@ jobs:
       - id: "auth"
         if: github.ref == 'refs/heads/main'
         name: "Authenticate to Google Cloud"
-        uses: "google-github-actions/auth@v1.1.1" # ratchet:google-github-actions/auth@v1.0.0
+        uses: "google-github-actions/auth@v1.2.0" # ratchet:google-github-actions/auth@v1.0.0
         with:
           workload_identity_provider: ${{ secrets.NAIS_IO_WORKLOAD_IDENTITY_PROVIDER }}
           service_account: "gh-mutilator@nais-io.iam.gserviceaccount.com"