[Upgrade] to lucene-9.5.0-snapshot-a4ef70f

[nknize]

Upgrades to latest snapshot of lucene 9.5.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/5884/
• CommitID: 43a503a

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/5885/
• CommitID: 5970ef4

[codecov-commenter]

Codecov Report

Merging #4979 (5970ef4) into main (171d141) will increase coverage by 0.12%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main    #4979      +/-   ##
============================================
+ Coverage     70.82%   70.95%   +0.12%     
- Complexity    57932    58022      +90     
============================================
  Files          4688     4688              
  Lines        276901   276901              
  Branches      40299    40299              
============================================
+ Hits         196115   196464     +349     
+ Misses        64566    64186     -380     
- Partials      16220    16251      +31     

Impacted Files	Coverage Δ
server/src/main/java/org/opensearch/Version.java	79.63% <100.00%> (ø)
...search/indices/recovery/RecoveryTargetHandler.java	0.00% <0.00%> (-100.00%)	⬇️
.../java/org/opensearch/node/NodeClosedException.java	50.00% <0.00%> (-50.00%)	⬇️
...ch/transport/ReceiveTimeoutTransportException.java	50.00% <0.00%> (-50.00%)	⬇️
...ations/bucket/terms/heuristic/PercentageScore.java	17.39% <0.00%> (-34.79%)	⬇️
...rch/client/transport/NoNodeAvailableException.java	42.85% <0.00%> (-28.58%)	⬇️
...rc/main/java/org/opensearch/ingest/IngestInfo.java	51.72% <0.00%> (-27.59%)	⬇️
...ion/admin/cluster/node/info/PluginsAndModules.java	53.12% <0.00%> (-25.00%)	⬇️
...nsearch/index/shard/IndexingOperationListener.java	63.93% <0.00%> (-22.96%)	⬇️
...search/aggregations/pipeline/HoltWintersModel.java	21.47% <0.00%> (-22.82%)	⬇️
... and 450 more

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