ci: Update appengine deployment deps (#54)

Author: joeyparrish

.github/workflows/release.yaml

@@ -174,11 +174,11 @@ jobs:
               script: auto
           EOF
 
-      - uses: google-github-actions/auth@v0
+      - uses: google-github-actions/auth@v2
         with:
           credentials_json: '${{ secrets.APPENGINE_DEPLOY_KEY }}'
 
-      - uses: google-github-actions/deploy-appengine@v0
+      - uses: google-github-actions/deploy-appengine@v2
         with:
           project_id: '${{ secrets.APPENGINE_PROJECT_ID }}'
           version: '${{ secrets.APPENGINE_PROJECT_VERSION }}'