[2.x] Change the version to remove deprecated code of adding node name into log pattern of log4j property file

[tlfeng]

Description

A following PR of #4568, please see detailed description there.

The part of code is introduced by elastic/elasticsearch@2245957.
The main purpose of the commit is to make the node name available to all loggers all the time, aims make the way of getting logger unified and simple.

There is temporary code added to help users migrate to the new usage of getting node name in log, by scanning the specific pattern setting in log4j.properties files and add the node name into the pattern. A warning message is also added to notify the removal of the temporary code.

• Change the version number to 3.0 from 7.0 that shown in the warning message.

Issues Resolved

Related to #4274

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.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: SUCCESS ✅
• URL: https://build.ci.opensearch.org/job/gradle-check/3309/
• CommitID: dfeb4cd

[codecov-commenter]

Codecov Report

Merging #4569 (dfeb4cd) into 2.x (3909012) will increase coverage by 0.14%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                2.x    #4569      +/-   ##
============================================
+ Coverage     70.62%   70.76%   +0.14%     
- Complexity    57085    57200     +115     
============================================
  Files          4585     4585              
  Lines        274514   274514              
  Branches      40229    40229              
============================================
+ Hits         193866   194259     +393     
+ Misses        64414    64022     -392     
+ Partials      16234    16233       -1     

Impacted Files	Coverage Δ
...org/opensearch/common/logging/LogConfigurator.java	18.27% <ø> (ø)
...regations/metrics/AbstractHyperLogLogPlusPlus.java	51.72% <0.00%> (-44.83%)	⬇️
...pensearch/indices/breaker/CircuitBreakerStats.java	27.77% <0.00%> (-41.67%)	⬇️
...pensearch/action/ingest/DeletePipelineRequest.java	31.25% <0.00%> (-37.50%)	⬇️
...search/search/aggregations/pipeline/EwmaModel.java	24.44% <0.00%> (-33.34%)	⬇️
...arch/search/aggregations/pipeline/SimpleModel.java	38.46% <0.00%> (-30.77%)	⬇️
...opensearch/index/reindex/BulkByScrollResponse.java	48.38% <0.00%> (-29.04%)	⬇️
.../opensearch/index/reindex/ScrollableHitSource.java	69.02% <0.00%> (-23.90%)	⬇️
.../opensearch/client/indices/GetMappingsRequest.java	58.82% <0.00%> (-23.53%)	⬇️
...c/main/java/org/opensearch/geometry/MultiLine.java	80.00% <0.00%> (-20.00%)	⬇️
... and 493 more

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[tlfeng]

@andrross Thank you for your review! 👍