[Backport 2.x] Add faster scaling composite hash value encoding for remote path

[ashking94]

Backport 02f9d74 from #13251.

[ashking94]

There was conflict in ClusterSettings class.

[ashking94]

Detect Breaking Changes failing on changes that have not been released in any version yet.

***! MODIFIED ENUM: PUBLIC ABSTRACT STATIC org.opensearch.index.remote.RemoteStoreEnums$PathHashAlgorithm  (field removed)
	===  CLASS FILE FORMAT VERSION: 55.0 <- 55.0
	---! REMOVED FIELD: PUBLIC(-) STATIC(-) FINAL(-) org.opensearch.index.remote.RemoteStoreEnums$PathHashAlgorithm FNV_1A
	+++  NEW FIELD: PUBLIC(+) STATIC(+) FINAL(+) org.opensearch.index.remote.RemoteStoreEnums$PathHashAlgorithm FNV_1A_COMPOSITE_1
	+++  NEW FIELD: PUBLIC(+) STATIC(+) FINAL(+) org.opensearch.index.remote.RemoteStoreEnums$PathHashAlgorithm FNV_1A_BASE64
***! MODIFIED CLASS: PUBLIC org.opensearch.indices.IndicesService  (not serializable)
	===  CLASS FILE FORMAT VERSION: 55.0 <- 55.0
	---! REMOVED FIELD: PUBLIC(-) STATIC(-) FINAL(-) org.opensearch.common.settings.Setting<org.opensearch.index.remote.RemoteStoreEnums$PathType> CLUSTER_REMOTE_STORE_PATH_PREFIX_TYPE_SETTING
	+++  NEW FIELD: PUBLIC(+) STATIC(+) FINAL(+) org.opensearch.common.settings.Setting<org.opensearch.index.remote.RemoteStoreEnums$PathHashAlgorithm> CLUSTER_REMOTE_STORE_PATH_HASH_ALGORITHM_SETTING
	+++  NEW FIELD: PUBLIC(+) STATIC(+) FINAL(+) org.opensearch.common.settings.Setting<org.opensearch.index.remote.RemoteStoreEnums$PathType> CLUSTER_REMOTE_STORE_PATH_TYPE_SETTING

[github-actions]

✅ Gradle check result for a6deda5: SUCCESS

[codecov]

Codecov Report

Attention: Patch coverage is 89.28571% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 71.13%. Comparing base (0dd892c) to head (a6deda5).
Report is 196 commits behind head on 2.x.

Files	Patch %	Lines
.../org/opensearch/index/remote/RemoteStoreUtils.java	72.72%	1 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #13424      +/-   ##
============================================
- Coverage     71.28%   71.13%   -0.16%     
- Complexity    60145    60765     +620     
============================================
  Files          4957     5015      +58     
  Lines        282799   286150    +3351     
  Branches      41409    41820     +411     
============================================
+ Hits         201591   203546    +1955     
- Misses        64189    65425    +1236     
- Partials      17019    17179     +160     

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