[Backport] [2.x] Update to Gradle 8.2.1 (#8018)

[reta]

Backport of #8018 to 2.x (keeping as draft before 2.9.0 cut)

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.remotestore.SegmentReplicationUsingRemoteStoreIT.testDropPrimaryDuringReplication
      1 org.opensearch.cluster.allocation.AwarenessAllocationIT.testThreeZoneOneReplicaWithForceZoneValueAndLoadAwareness

• URL: https://build.ci.opensearch.org/job/gradle-check/19428/
• CommitID: f7ecfda
  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 #8529 (13a1896) into 2.x (5a0b6b0) will increase coverage by 0.11%.
The diff coverage is 75.24%.

@@             Coverage Diff              @@
##                2.x    #8529      +/-   ##
============================================
+ Coverage     70.55%   70.67%   +0.11%     
- Complexity    57090    57196     +106     
============================================
  Files          4745     4745              
  Lines        270776   270903     +127     
  Branches      39967    39974       +7     
============================================
+ Hits         191051   191455     +404     
+ Misses        63320    63027     -293     
- Partials      16405    16421      +16     

Impacted Files	Coverage Δ
.../opensearch/gradle/plugin/PluginBuildPlugin.groovy	35.34% <0.00%> (-0.94%)	⬇️
...main/java/org/opensearch/gradle/PublishPlugin.java	43.13% <0.00%> (ø)
...g/opensearch/gradle/precommit/LoggerUsageTask.java	0.00% <0.00%> (ø)
...g/opensearch/gradle/test/rest/CopyRestApiTask.java	0.00% <0.00%> (ø)
...opensearch/gradle/test/rest/CopyRestTestsTask.java	0.00% <0.00%> (ø)
...src/main/java/org/opensearch/gradle/util/Util.java	22.41% <0.00%> (ø)
.../store/exception/ChecksumCombinationException.java	0.00% <ø> (ø)
...java/org/opensearch/index/translog/Checkpoint.java	72.34% <ø> (ø)
...ain/java/org/opensearch/threadpool/ThreadPool.java	84.88% <ø> (ø)
...earch/index/store/RemoteSegmentStoreDirectory.java	86.34% <64.91%> (-5.71%)	⬇️
... and 15 more

... and 486 files with indirect coverage changes

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: null ❌
• URL: null
• CommitID: f0a495d
  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: null ❌
• URL: null
• CommitID: 76878ee
  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: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.indices.replication.SegmentReplicationRelocationIT.testPrimaryRelocationWithSegRepFailure

• URL: https://build.ci.opensearch.org/job/gradle-check/19636/
• CommitID: 76878ee
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.remotestore.SegmentReplicationUsingRemoteStoreIT.testIndexReopenClose

• URL: https://build.ci.opensearch.org/job/gradle-check/20036/
• CommitID: 13a1896
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[nknize]

Thx @reta!