Backporting changes to 2.0

[AWSHurneyt]

Issue #, if available:

Description of changes:
Backporting changes to 2.0

CheckList:
[x] Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
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[codecov-commenter]

Codecov Report

Merging #420 (7615448) into 2.0 (214c9db) will increase coverage by 0.15%.
The diff coverage is 78.23%.

@@             Coverage Diff              @@
##                2.0     #420      +/-   ##
============================================
+ Coverage     76.84%   77.00%   +0.15%     
  Complexity      177      177              
============================================
  Files           165      165              
  Lines          8142     8203      +61     
  Branches       1191     1205      +14     
============================================
+ Hits           6257     6317      +60     
+ Misses         1297     1291       -6     
- Partials        588      595       +7     

Impacted Files	Coverage Δ
...org/opensearch/alerting/core/model/ScheduledJob.kt	78.57% <ø> (ø)
...in/kotlin/org/opensearch/alerting/model/Monitor.kt	88.50% <50.00%> (+0.64%)	⬆️
.../alerting/transport/TransportIndexMonitorAction.kt	67.16% <75.00%> (+0.49%)	⬆️
...opensearch/alerting/util/DocLevelMonitorQueries.kt	79.68% <75.00%> (-7.82%)	⬇️
...nsearch/alerting/DocumentReturningMonitorRunner.kt	84.51% <75.80%> (+1.85%)	⬆️
...n/kotlin/org/opensearch/alerting/AlertingPlugin.kt	93.46% <100.00%> (ø)
...arch/alerting/resthandler/RestGetFindingsAction.kt	100.00% <100.00%> (ø)
...lerting/transport/TransportExecuteMonitorAction.kt	67.94% <100.00%> (ø)
...h/alerting/transport/TransportGetFindingsAction.kt	90.00% <100.00%> (+0.95%)	⬆️
...nationmigration/DestinationMigrationCoordinator.kt	63.82% <100.00%> (-0.46%)	⬇️
... and 9 more

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