[Backport 2.1] Force netty-transport-native-unix-common version

[opensearch-trigger-bot]

Backport b63f7a8 from #1945

[codecov-commenter]

Codecov Report

Merging #1947 (438fb51) into 2.1 (53faf04) will increase coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##                2.1    #1947      +/-   ##
============================================
+ Coverage     61.02%   61.05%   +0.02%     
- Complexity     3235     3237       +2     
============================================
  Files           256      256              
  Lines         18088    18088              
  Branches       3224     3224              
============================================
+ Hits          11039    11043       +4     
+ Misses         5468     5466       -2     
+ Partials       1581     1579       -2     

Impacted Files	Coverage Δ
...a/org/opensearch/security/tools/SecurityAdmin.java	37.56% <0.00%> (+0.24%)	⬆️
...security/auditlog/sink/ExternalOpenSearchSink.java	61.72% <0.00%> (+2.46%)	⬆️

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