chore(4.x): release 4.9.4

[release-please]

🤖 I have created a release beep boop

4.9.4 (2024-02-22)

Dependencies

• bump com.google.cloud:libraries-bom from 26.32.0 to 26.33.0 (#2626) (4ed53c4)
• bump com.google.errorprone:error_prone_core from 2.24.1 to 2.25.0 (#2614) (b1415d4)
• bump io.micrometer:micrometer-tracing-bom from 1.2.2 to 1.2.3 (#2593) (b9274aa)
• bump org.graalvm.buildtools:native-maven-plugin (#2620) (1e144a8)

---

This PR was generated with Release Please. See documentation.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud

[alicejli]

Failing showcase:

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for GAPIC Showcase Client Core Parent 0.0.1-SNAPSHOT:
[INFO] 
[INFO] GAPIC Showcase Client Core Parent .................. SUCCESS [  3.173 s]
[INFO] proto-gapic-showcase-v1beta1 ....................... SUCCESS [  9.040 s]
[INFO] grpc-gapic-showcase-v1beta1 ........................ SUCCESS [  1.030 s]
[INFO] GAPIC Showcase Client .............................. SUCCESS [  9.493 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  25.190 s
[INFO] Finished at: 2024-02-22T16:24:59Z
[INFO] ------------------------------------------------------------------------
fixed /home/runner/work/spring-cloud-gcp/spring-cloud-gcp/spring-cloud-generator/sdk-platform-java/WORKSPACE
fixed /home/runner/work/spring-cloud-gcp/spring-cloud-gcp/spring-cloud-generator/sdk-platform-java/WORKSPACE
fixed /home/runner/work/spring-cloud-gcp/spring-cloud-gcp/spring-cloud-generator/sdk-platform-java/WORKSPACE
/home/runner/work/spring-cloud-gcp/spring-cloud-gcp/spring-cloud-generator/sdk-platform-java/showcase/BUILD.bazel/BUILD: file not found or not readable
Error: Process completed with exit code 2.

Work being tracked: #2214

[release-please]

🤖 Release is at https://github.com/GoogleCloudPlatform/spring-cloud-gcp/releases/tag/v4.9.4 🌻

[release-trigger]

Triggered job: cloud-java-frameworks/spring-cloud-gcp/stage (2024-02-22T18:34:56.089Z)

To trigger again, remove the autorelease: triggered label (in a few minutes).