Introducing query_failed as part of nodes, indices and shards stats

[sandeshkr419]

Description

Introducing 2 new metrics in stats API to capture failure metrics:

• search.query_failed
• search.startree_query_failed

Related Issues

Resolves #19210

Check List

• Functionality includes testing.
• API changes companion pull request created, if applicable.
• Public documentation issue/PR created, if applicable.

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❌ Gradle check result for 304e6e9: FAILURE

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❌ Gradle check result for f070620: FAILURE

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❌ Gradle check result for 8d6bc05: FAILURE

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❌ Gradle check result for 7156637: FAILURE

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❕ Gradle check result for 7156637: UNSTABLE

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[codecov]

Codecov Report

❌ Patch coverage is 72.54902% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 72.96%. Comparing base (47aa8ee) to head (b060a80).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
.../opensearch/rest/action/cat/RestIndicesAction.java	46.66%	0 Missing and 8 partials ⚠️
...org/opensearch/index/search/stats/SearchStats.java	90.90%	0 Missing and 2 partials ⚠️
...pensearch/index/search/stats/ShardSearchStats.java	66.66%	2 Missing ⚠️
...rg/opensearch/rest/action/cat/RestNodesAction.java	50.00%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #19209      +/-   ##
============================================
+ Coverage     72.93%   72.96%   +0.02%     
+ Complexity    70101    70090      -11     
============================================
  Files          5687     5687              
  Lines        321637   321681      +44     
  Branches      46521    46530       +9     
============================================
+ Hits         234587   234699     +112     
+ Misses        68134    68028     -106     
- Partials      18916    18954      +38     

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❌ Gradle check result for a917f50: FAILURE

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❌ Gradle check result for a917f50: FAILURE

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❌ Gradle check result for e548e18: FAILURE

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❕ Gradle check result for b060a80: UNSTABLE

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