[Backport 2.x] Adding @dreamer-89 to Opensearch maintainers.

[opensearch-trigger-bot]

Backport beb09af from #4342

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/2268/
• CommitID: 83c3d542d55a7b517e5a2c16fdfde373f490ab22

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/2276/
• CommitID: 83c3d542d55a7b517e5a2c16fdfde373f490ab22

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/2281/
• CommitID: 83c3d542d55a7b517e5a2c16fdfde373f490ab22

[codecov-commenter]

Codecov Report

Merging #4345 (37bd484) into 2.x (c44d8e4) will increase coverage by 0.03%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                2.x    #4345      +/-   ##
============================================
+ Coverage     70.60%   70.63%   +0.03%     
- Complexity    56951    56976      +25     
============================================
  Files          4572     4572              
  Lines        273744   273744              
  Branches      40150    40150              
============================================
+ Hits         193267   193362      +95     
+ Misses        64296    64098     -198     
- Partials      16181    16284     +103     

Impacted Files	Coverage Δ
...search/indices/recovery/RecoveryTargetHandler.java	0.00% <0.00%> (-100.00%)	⬇️
...pensearch/client/cluster/RemoteConnectionInfo.java	0.00% <0.00%> (-75.00%)	⬇️
...a/org/opensearch/client/cluster/ProxyModeInfo.java	0.00% <0.00%> (-57.90%)	⬇️
...a/org/opensearch/client/cluster/SniffModeInfo.java	0.00% <0.00%> (-56.25%)	⬇️
...opensearch/persistent/PersistentTasksExecutor.java	22.22% <0.00%> (-40.75%)	⬇️
.../opensearch/client/cluster/RemoteInfoResponse.java	61.53% <0.00%> (-38.47%)	⬇️
...ion/admin/cluster/node/info/PluginsAndModules.java	53.12% <0.00%> (-34.38%)	⬇️
...min/cluster/snapshots/get/GetSnapshotsRequest.java	52.63% <0.00%> (-31.58%)	⬇️
...opensearch/index/reindex/BulkByScrollResponse.java	48.38% <0.00%> (-29.04%)	⬇️
...a/org/opensearch/index/mapper/MapperException.java	75.00% <0.00%> (-25.00%)	⬇️
... and 529 more

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[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/2294/
• CommitID: 37bd484

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/2302/
• CommitID: 37bd484