[Backport 2.x] Cleanup file cache on deleting index/shard directory

[opensearch-trigger-bot]

Backport c564ee3 from #11443.

[github-actions]

Compatibility status:

Checks if related components are compatible with change 36493ab

Incompatible components

Incompatible components: [https://github.com/opensearch-project/performance-analyzer.git, https://github.com/opensearch-project/performance-analyzer-rca.git]

Skipped components

Compatible components

Compatible components: [https://github.com/opensearch-project/security-analytics.git, https://github.com/opensearch-project/geospatial.git, https://github.com/opensearch-project/observability.git, https://github.com/opensearch-project/notifications.git, https://github.com/opensearch-project/custom-codecs.git, https://github.com/opensearch-project/neural-search.git, https://github.com/opensearch-project/job-scheduler.git, https://github.com/opensearch-project/security.git, https://github.com/opensearch-project/asynchronous-search.git, https://github.com/opensearch-project/cross-cluster-replication.git, https://github.com/opensearch-project/reporting.git, https://github.com/opensearch-project/ml-commons.git, https://github.com/opensearch-project/anomaly-detection.git, https://github.com/opensearch-project/common-utils.git, https://github.com/opensearch-project/index-management.git, https://github.com/opensearch-project/sql.git, https://github.com/opensearch-project/k-nn.git, https://github.com/opensearch-project/alerting.git]

[github-actions]

❌ Gradle check result for 36493ab: FAILURE

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 result for 36493ab: SUCCESS

[codecov]

Codecov Report

Attention: 30 lines in your changes are missing coverage. Please review.

Comparison is base (4faa3eb) 71.05% compared to head (36493ab) 71.11%.
Report is 29 commits behind head on 2.x.

Files	Patch %	Lines
...index/store/remote/filecache/FileCacheCleaner.java	60.86%	5 Missing and 4 partials ⚠️
.../main/java/org/opensearch/env/NodeEnvironment.java	57.89%	8 Missing ⚠️
.../opensearch/rest/action/cat/RestIndicesAction.java	50.00%	0 Missing and 8 partials ⚠️
...rg/opensearch/rest/action/cat/RestNodesAction.java	50.00%	0 Missing and 4 partials ⚠️
.../main/java/org/opensearch/search/SearchModule.java	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.x   #12154      +/-   ##
============================================
+ Coverage     71.05%   71.11%   +0.06%     
- Complexity    59441    59501      +60     
============================================
  Files          4894     4894              
  Lines        280304   280303       -1     
  Branches      41115    41108       -7     
============================================
+ Hits         199161   199329     +168     
+ Misses        64284    64126     -158     
+ Partials      16859    16848      -11     

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