Updated 1.3.9 release note to include latest version of Netty

[owaiskazi19]

Description

With the latest Netty PR merged to 1.3. Updating the release doc to include the new version. Will backport this PR to 1.x and 1.3

Issues Resolved

[List any issues this PR will resolve]

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[saratvemulapalli]

TY, I was about to come back on drop a comment. I approved both PRs and merged them :/

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.indices.replication.SegmentReplicationRelocationIT.testFlushAfterRelocation

• URL: https://build.ci.opensearch.org/job/gradle-check/12511/
• CommitID: d38d72c
  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-commenter]

Codecov Report

Merging #6698 (d38d72c) into main (0cf543c) will increase coverage by 0.04%.
The diff coverage is n/a.

📣 This organization is not using Codecov’s GitHub App Integration. We recommend you install it so Codecov can continue to function properly for your repositories. Learn more

@@             Coverage Diff              @@
##               main    #6698      +/-   ##
============================================
+ Coverage     70.74%   70.78%   +0.04%     
- Complexity    59215    59264      +49     
============================================
  Files          4809     4809              
  Lines        283455   283455              
  Branches      40868    40868              
============================================
+ Hits         200520   200651     +131     
+ Misses        66511    66354     -157     
- Partials      16424    16450      +26     

see 517 files with indirect coverage changes

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[opensearch-trigger-bot]

The backport to 1.x failed:

The process '/usr/bin/git' failed with exit code 128

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add ../.worktrees/backport-1.x 1.x
# Navigate to the new working tree
pushd ../.worktrees/backport-1.x
# Create a new branch
git switch --create backport/backport-6698-to-1.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 973ba4f0fcdeb6ffdd7264ac63d948b8f2141e2c
# Push it to GitHub
git push --set-upstream origin backport/backport-6698-to-1.x
# Go back to the original working tree
popd
# Delete the working tree
git worktree remove ../.worktrees/backport-1.x

Then, create a pull request where the base branch is 1.x and the compare/head branch is backport/backport-6698-to-1.x.

[opensearch-trigger-bot]

The backport to 1.3 failed:

The process '/usr/bin/git' failed with exit code 1

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add ../.worktrees/backport-1.3 1.3
# Navigate to the new working tree
pushd ../.worktrees/backport-1.3
# Create a new branch
git switch --create backport/backport-6698-to-1.3
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 973ba4f0fcdeb6ffdd7264ac63d948b8f2141e2c
# Push it to GitHub
git push --set-upstream origin backport/backport-6698-to-1.3
# Go back to the original working tree
popd
# Delete the working tree
git worktree remove ../.worktrees/backport-1.3

Then, create a pull request where the base branch is 1.3 and the compare/head branch is backport/backport-6698-to-1.3.