[Backport 2.x] Fix backport issues for CHANGELOG.md file

[opensearch-trigger-bot]

Backport 171d141 from #4977.

[kotwanikunal]

It works 🙂

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/5876/
• CommitID: 2a1f4da

[codecov-commenter]

Codecov Report

Merging #4978 (c93a048) into 2.x (213b966) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                2.x    #4978      +/-   ##
============================================
- Coverage     70.70%   70.67%   -0.04%     
- Complexity    57627    57674      +47     
============================================
  Files          4620     4620              
  Lines        276210   276210              
  Branches      40421    40421              
============================================
- Hits         195295   195205      -90     
- Misses        64555    64763     +208     
+ Partials      16360    16242     -118     

Impacted Files	Coverage Δ
...adonly/AddIndexBlockClusterStateUpdateRequest.java	0.00% <0.00%> (-75.00%)	⬇️
...readonly/TransportVerifyShardIndexBlockAction.java	9.75% <0.00%> (-58.54%)	⬇️
...ch/transport/ReceiveTimeoutTransportException.java	50.00% <0.00%> (-50.00%)	⬇️
...cluster/coordination/PendingClusterStateStats.java	20.00% <0.00%> (-48.00%)	⬇️
...opensearch/persistent/PersistentTasksExecutor.java	22.22% <0.00%> (-44.45%)	⬇️
...pensearch/indices/breaker/CircuitBreakerStats.java	27.77% <0.00%> (-41.67%)	⬇️
...indices/readonly/TransportAddIndexBlockAction.java	20.68% <0.00%> (-37.94%)	⬇️
...java/org/opensearch/threadpool/ThreadPoolInfo.java	56.25% <0.00%> (-37.50%)	⬇️
...g/opensearch/geometry/utils/StandardValidator.java	21.21% <0.00%> (-33.34%)	⬇️
.../indices/readonly/AddIndexBlockRequestBuilder.java	0.00% <0.00%> (-33.34%)	⬇️
... and 511 more

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[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/5877/
• CommitID: c93a048
  Please examine the workflow log, locate, and copy-paste the failure below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[kotwanikunal]

Unrelated:

org.opensearch.repositories.s3.RepositoryS3ClientYamlTestSuiteIT > test {yaml=repository_s3/20_repository_permanent_credentials/Try to create repository with broken endpoint override and named client} FAILED
    java.lang.AssertionError: Failure at [repository_s3/20_repository_permanent_credentials:99]: expected [2xx] status code but api [snapshot.create] returned [400 Bad Request] [{"error":{"root_cause":[{"type":"invalid_snapshot_name_exception","reason":"[repository_permanent:snapshot-one] Invalid snapshot name [snapshot-one], snapshot with the same name already exists","stack_trace":"InvalidSnapshotNameException[[repository_permanent:snapshot-one] 

#4069

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/5883/
• CommitID: c93a048

[dblock]

This change makes it that backported changes don't appear in CHANGELOG. So the CHANGELOG will be incorrect :(

[kotwanikunal]

This change makes it that backported changes don't appear in CHANGELOG. So the CHANGELOG will be incorrect :(

This is part 1 of 2. I am working on automating CHANGELOG backporting, which is part 2.
This will still cause the Changelog Verifier to fail, needing a human to just fix the changelog, and making sure they have the entry in the correct version.

IMHO this is more reliable, given folks were missing out on changes all together. More behind that rationale here - #4977 (comment)

[dblock]

@kotwanikunal After this we need to go through commits on 2.x and update CHANGELOG to be correct :(

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/6037/
• CommitID: d4e3a46
  Please examine the workflow log, locate, and copy-paste the failure below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[kotwanikunal]

@kotwanikunal After this we need to go through commits on 2.x and update CHANGELOG to be correct :(

@dblock Please check - #4936 (comment)

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/6247/
• CommitID: 038a207

[kotwanikunal]

Skipping changelog since #5082 is taking care of it.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/6408/
• CommitID: ef78bfe
  Please examine the workflow log, locate, and copy-paste the failure below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/6565/
• CommitID: ef78bfe