[Backport 2.x] Run compatibility check based on PR base branch

[opensearch-trigger-bot]

Backport b8fe8b2 from #9374.

[opensearch-trigger-bot]

Compatibility status:

Checks if related components are compatible with change ea3c5af

Incompatible components

Incompatible components: [https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/performance-analyzer.git]

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/alerting.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/performance-analyzer-rca.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/reporting.git]

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.repositories.azure.AzureBlobStoreRepositoryTests.testReadNonExistingPath

• URL: https://build.ci.opensearch.org/job/gradle-check/23339/
• CommitID: aca8a71
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Merging #9521 (aca8a71) into 2.x (ea3c5af) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                2.x    #9521      +/-   ##
============================================
- Coverage     70.90%   70.89%   -0.01%     
+ Complexity    57658    57649       -9     
============================================
  Files          4764     4764              
  Lines        272098   272098              
  Branches      40111    40111              
============================================
- Hits         192918   192917       -1     
+ Misses        62647    62636      -11     
- Partials      16533    16545      +12     

see 446 files with indirect coverage changes