Change WithinAppServiceConnection's ScheduledThreadPoolExecutor's con…

[gsakakihara]

…figuration to avoid polling.

• Changed WithinAppServiceConnection's ScheduledThreadPoolExecutor's configuration to allow the thread to stop polling after the timeout task has been canceled.

[github-actions]

Release note changes

The following release notes were modified. Please ensure they look correct.

Release Notes

firebase-messaging

### {{messaging_longer}} version 24.0.4 {: #messaging_v24-0-4}

* {{deprecated}} Deprecated additional FCM upstream messaging methods. See the
  [FAQ](https://firebase.google.com/support/faq#fcm-23-deprecation) for more
  details.

* {{changed}} Changed WithinAppServiceConnection's ScheduledThreadPoolExecutor's
  configuration to allow the thread to stop polling after the timeout task has
  been canceled.

#### {{messaging_longer}} Kotlin extensions version 24.0.4 {: #messaging-ktx_v24-0-4}

The Kotlin extensions library transitively includes the updated
`firebase-messaging` library. The Kotlin extensions library has no additional
updates.

[github-actions]

Vertex AI Mock Responses Check ⚠️

A newer major version of the mock responses for Vertex AI unit tests is available. update_responses.sh should be updated to clone the latest version of the responses: v5.1

[github-actions]

Test Results

 64 files  ±0   64 suites  ±0   6m 16s ⏱️ +4s
487 tests ±0  487 ✅ ±0  0 💤 ±0  0 ❌ ±0 
980 runs  ±0  980 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit c44c4c7. ± Comparison against base commit d402ad0.

♻️ This comment has been updated with latest results.