Backports for 2.5

[engechas]

Description

• Backports query_field_names bugfix #335 Reduce log level for informative message #203 fix detector writeTo() method missing fields #695 fix null query filter conversion from sigma to query string query #722 Pass rule field names in doc level queries during monitor/creation. Remove blocking actionGet() calls  #873
• Bump build version to 2.5.1
• Fix build

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

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[codecov]

Codecov Report

Attention: Patch coverage is 5.66038% with 250 lines in your changes are missing coverage. Please review.

Project coverage is 36.00%. Comparing base (0025b7a) to head (ef94468).

Files	Patch %	Lines
...lytics/transport/TransportIndexDetectorAction.java	0.00%	241 Missing ⚠️
...search/securityanalytics/mapper/MapperService.java	0.00%	5 Missing ⚠️
.../securityanalytics/rules/backend/QueryBackend.java	0.00%	2 Missing ⚠️
...indexmanagment/DetectorIndexManagementService.java	0.00%	1 Missing ⚠️
...opensearch/securityanalytics/util/RuleIndices.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                2.5     #927      +/-   ##
============================================
- Coverage     36.63%   36.00%   -0.63%     
- Complexity      892      894       +2     
============================================
  Files           179      179              
  Lines          7057     7213     +156     
  Branches        865      870       +5     
============================================
+ Hits           2585     2597      +12     
- Misses         4236     4381     +145     
+ Partials        236      235       -1     

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