Bump google-github-actions/deploy-appengine from 1 to 2 (#314)

Bumps [google-github-actions/deploy-appengine](https://github.com/google-github-actions/deploy-appengine) from 1 to 2.
- [Release notes](https://github.com/google-github-actions/deploy-appengine/releases)
- [Changelog](https://github.com/google-github-actions/deploy-appengine/blob/main/CHANGELOG.md)
- [Commits](google-github-actions/deploy-appengine@v1...v2)

---
updated-dependencies:
- dependency-name: google-github-actions/deploy-appengine
  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>

.github/workflows/deploy.yaml

@@ -17,7 +17,7 @@ jobs:
 
     - name: Deploy to App Engine
       id: deploy
-      uses: google-github-actions/deploy-appengine@v1
+      uses: google-github-actions/deploy-appengine@v2
 
     - name: cURL Test
       run: curl "${{ steps.deploy.outputs.url }}"