chore(deps): Update google-github-actions/auth action to v2 (#16951)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [google-github-actions/auth](https://togithub.com/google-github-actions/auth) | action | major | `v1` -> `v2` |

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> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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### Release Notes

<details>
<summary>google-github-actions/auth (google-github-actions/auth)</summary>

### [`v2`](https://togithub.com/google-github-actions/auth/releases/tag/v2)

[Compare Source](https://togithub.com/google-github-actions/auth/compare/v1...v2)

Floating v2 alias

</details>

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### Configuration

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This PR has been generated by [Renovate Bot](https://togithub.com/renovatebot/renovate).

.github/workflows/dest_bigquery.yml

@@ -55,7 +55,7 @@ jobs:
         if: github.event_name == 'pull_request'
         run: test "$(git status -s | wc -l)" -eq 0 || (git status -s; exit 1)
       - name: Authenticate to Google Cloud
-        uses: 'google-github-actions/auth@v1'
+        uses: 'google-github-actions/auth@v2'
         with:
           workload_identity_provider: 'projects/151868820337/locations/global/workloadIdentityPools/integration-test-pool/providers/integration-test-provider'
           service_account: 'integration-service-account@cq-integration-tests.iam.gserviceaccount.com'

.github/workflows/dest_gcs.yml

@@ -52,7 +52,7 @@ jobs:
         if: github.event_name == 'pull_request'
         run: test "$(git status -s | wc -l)" -eq 0 || (git status -s; exit 1)
       - name: Authenticate to Google Cloud
-        uses: 'google-github-actions/auth@v1'
+        uses: 'google-github-actions/auth@v2'
         with:
           workload_identity_provider: 'projects/151868820337/locations/global/workloadIdentityPools/integration-test-pool/providers/integration-test-provider'
           service_account: 'integration-service-account@cq-integration-tests.iam.gserviceaccount.com'