Update google-github-actions/auth action to v3

Author: renovate[bot]

.github/workflows/integration_test.yml

@@ -39,7 +39,7 @@ jobs:
           flutter build apk --config-only
           patrol build android --verbose --target integration_test/auto_resize_test.dart
 
-      - uses: google-github-actions/auth@b7593ed2efd1c1617e1b0254da33b86225adb2a5 # v2.1.12
+      - uses: google-github-actions/auth@7c6bc770dae815cd3e89ee6cdf493a5fab2cc093 # v3.0.0
         with:
           credentials_json: ${{ secrets.FIREBASE_TEST_LAB_CREDENTIALS_JSON }}
       - uses: google-github-actions/setup-gcloud@26f734c2779b00b7dda794207734c511110a4368 # v3.0.0
@@ -89,7 +89,7 @@ jobs:
           cd demo_app/ios
           fastlane patrol_build
 
-      - uses: google-github-actions/auth@b7593ed2efd1c1617e1b0254da33b86225adb2a5 # v2.1.12
+      - uses: google-github-actions/auth@7c6bc770dae815cd3e89ee6cdf493a5fab2cc093 # v3.0.0
         with:
           credentials_json: ${{ secrets.FIREBASE_TEST_LAB_CREDENTIALS_JSON }}
       - uses: google-github-actions/setup-gcloud@26f734c2779b00b7dda794207734c511110a4368 # v3.0.0