[Backport 2.9] Close Zstd Dictionary after execution to avoid any memory leak. (#9403)

[andrross]

Backports 5cc7313 to 2.9

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.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/22995/
• CommitID: 8be8c10
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/22996/
• CommitID: 8be8c10
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[reta]

@andrross 2.9 needs BWC update for 1.3.x:

* What went wrong:
Execution failed for task ':distribution:bwc:maintenance:buildBwcLinuxTar'.
> Building 1.3.12 didn't generate expected file /var/jenkins/workspace/gradle-check/search/distribution/bwc/maintenance/build/bwc/checkout-1.3/distribution/archives/linux-tar/build/distributions/opensearch-min-1.3.12-SNAPSHOT-linux-x64.tar.gz

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      2 org.opensearch.remotestore.SegmentReplicationRemoteStoreIT.classMethod
      1 org.opensearch.search.ConcurrentSegmentSearchTimeoutIT.testSimpleTimeout
      1 org.opensearch.remotestore.SegmentReplicationUsingRemoteStoreIT.testDropPrimaryDuringReplication
      1 org.opensearch.remotestore.SegmentReplicationRemoteStoreIT.testScrollWithConcurrentIndexAndSearch

• URL: https://build.ci.opensearch.org/job/gradle-check/23041/
• CommitID: ca084dc
  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 #9425 (ca084dc) into 2.9 (3309b2e) will increase coverage by 0.14%.
The diff coverage is 72.00%.

@@             Coverage Diff              @@
##                2.9    #9425      +/-   ##
============================================
+ Coverage     70.53%   70.67%   +0.14%     
- Complexity    57076    57126      +50     
============================================
  Files          4746     4746              
  Lines        270723   270726       +3     
  Branches      39952    39952              
============================================
+ Hits         190944   191340     +396     
+ Misses        63344    62967     -377     
+ Partials      16435    16419      -16     

Files Changed	Coverage Δ
.../index/codec/customcodecs/ZstdCompressionMode.java	86.66% <70.83%> (+0.30%)	⬆️
...ibs/core/src/main/java/org/opensearch/Version.java	83.25% <100.00%> (-0.82%)	⬇️

... and 476 files with indirect coverage changes