[Backport 1.x] Added release notes for 1.3.11

[opensearch-trigger-bot]

Backport 3a1dd3a from #8302.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/18573/
• CommitID: 27169e2

[codecov]

Codecov Report

Merging #8317 (27169e2) into 1.x (c751171) will decrease coverage by 0.06%.
The diff coverage is n/a.

❗ Current head 27169e2 differs from pull request most recent head 464a0ba. Consider uploading reports for the commit 464a0ba to get more accurate results

@@             Coverage Diff              @@
##                1.x    #8317      +/-   ##
============================================
- Coverage     77.63%   77.57%   -0.06%     
+ Complexity    58810    58757      -53     
============================================
  Files          4223     4223              
  Lines        253547   253547              
  Branches      38714    38714              
============================================
- Hits         196841   196693     -148     
- Misses        40727    40808      +81     
- Partials      15979    16046      +67     

see 451 files with indirect coverage changes

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/18587/
• CommitID: 3dd1637

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/18593/
• CommitID: 464a0ba