Fix weighted routing stats version

[anshu1106]

Description

This PR fixes weighted routing stats version

Issues Resolved

[List any issues this PR will resolve]

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
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[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/10384/
• CommitID: 6f35251
  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.cluster.allocation.AwarenessAllocationIT.testThreeZoneOneReplicaWithForceZoneValueAndLoadAwareness

• URL: https://build.ci.opensearch.org/job/gradle-check/10385/
• CommitID: 4533cac
  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 #6128 (4533cac) into backport/backport-6041-to-2.x (70d2365) will increase coverage by 0.07%.
The diff coverage is 0.00%.

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@@                         Coverage Diff                         @@
##             backport/backport-6041-to-2.x    #6128      +/-   ##
===================================================================
+ Coverage                            70.40%   70.47%   +0.07%     
- Complexity                           58945    59017      +72     
===================================================================
  Files                                 4772     4772              
  Lines                               282789   282789              
  Branches                             41186    41186              
===================================================================
+ Hits                                199086   199288     +202     
+ Misses                               67089    66824     -265     
- Partials                             16614    16677      +63     

Impacted Files	Coverage Δ
...rch/action/admin/cluster/node/stats/NodeStats.java	50.00% <0.00%> (ø)
...cluster/coordination/PendingClusterStateStats.java	20.00% <0.00%> (-48.00%)	⬇️
.../admin/cluster/reroute/ClusterRerouteResponse.java	60.00% <0.00%> (-40.00%)	⬇️
...luster/routing/allocation/RoutingExplanations.java	62.06% <0.00%> (-37.94%)	⬇️
...cluster/coordination/PublishClusterStateStats.java	33.33% <0.00%> (-37.51%)	⬇️
...java/org/opensearch/threadpool/ThreadPoolInfo.java	56.25% <0.00%> (-37.50%)	⬇️
...ensearch/client/indices/DetailAnalyzeResponse.java	20.54% <0.00%> (-34.25%)	⬇️
...r/src/main/java/org/opensearch/http/HttpUtils.java	33.33% <0.00%> (-33.34%)	⬇️
...cluster/routing/allocation/RerouteExplanation.java	70.00% <0.00%> (-30.00%)	⬇️
...rc/main/java/org/opensearch/ingest/IngestInfo.java	51.72% <0.00%> (-27.59%)	⬇️
... and 464 more

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