Bump sonar.version from 9.9.0.65466 to 9.9.4.87374

Bumps `sonar.version` from 9.9.0.65466 to 9.9.4.87374.

Updates `org.sonarsource.sonarqube:sonar-plugin-api-impl` from 9.9.0.65466 to 9.9.4.87374
- [Release notes](https://github.com/SonarSource/sonarqube/releases)
- [Commits](SonarSource/sonarqube@9.9.0.65466...9.9.4.87374)

Updates `org.sonarsource.sonarqube:sonar-testing-harness` from 9.9.0.65466 to 9.9.4.87374
- [Release notes](https://github.com/SonarSource/sonarqube/releases)
- [Commits](SonarSource/sonarqube@9.9.0.65466...9.9.4.87374)

---
updated-dependencies:
- dependency-name: org.sonarsource.sonarqube:sonar-plugin-api-impl
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.sonarsource.sonarqube:sonar-testing-harness
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -261,7 +261,7 @@
     <aggregate.report.dir>integration-tests/target/site/jacoco-aggregate/jacoco.xml</aggregate.report.dir>
 
     <!-- we depend on API ${sonar.version} but we keep backward compatibility with LTS -->
-    <sonar.version>9.9.0.65466</sonar.version>
+    <sonar.version>9.9.4.87374</sonar.version>
     <sonar.plugin.api.version>9.14.0.375</sonar.plugin.api.version>
     <sonarQubeMinVersion>8.9</sonarQubeMinVersion>