[Backport 2.x] Use DirectoryFactory interface to create remote directory

[opensearch-trigger-bot]

Backport 56a2bed from #6970.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/13417/
• CommitID: b196c8f
  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/13460/
• CommitID: b196c8f
  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.backwards.MixedClusterClientYamlTestSuiteIT.test {p0=pit/10_basic/Delete all}

• URL: https://build.ci.opensearch.org/job/gradle-check/13476/
• CommitID: b196c8f
  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-commenter]

Codecov Report

Merging #6985 (b196c8f) into 2.x (068ec12) will increase coverage by 0.01%.
The diff coverage is 80.00%.

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@@             Coverage Diff              @@
##                2.x    #6985      +/-   ##
============================================
+ Coverage     70.38%   70.39%   +0.01%     
- Complexity    59505    59541      +36     
============================================
  Files          4811     4811              
  Lines        285577   285577              
  Branches      41516    41516              
============================================
+ Hits         200997   201043      +46     
+ Misses        67835    67808      -27     
+ Partials      16745    16726      -19     

Impacted Files	Coverage Δ
...rc/main/java/org/opensearch/index/IndexModule.java	81.92% <ø> (ø)
...c/main/java/org/opensearch/index/IndexService.java	74.04% <0.00%> (-0.29%)	⬇️
...in/java/org/opensearch/indices/IndicesService.java	64.09% <ø> (-0.15%)	⬇️
.../java/org/opensearch/plugins/IndexStorePlugin.java	100.00% <ø> (ø)
...pensearch/action/search/SearchPhaseController.java	85.14% <100.00%> (ø)
...ndex/store/RemoteSegmentStoreDirectoryFactory.java	94.73% <100.00%> (+0.29%)	⬆️
server/src/main/java/org/opensearch/node/Node.java	83.64% <100.00%> (ø)

... and 469 files with indirect coverage changes

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