[Backport 2.9] Add logging for execution and indexes of monitors and workflows

[opensearch-trigger-bot]

Backport 0a15bfd from #1223.

[codecov]

Codecov Report

Merging #1226 (530db4e) into 2.9 (ca28061) will increase coverage by 0.16%.
Report is 1 commits behind head on 2.9.
The diff coverage is 71.51%.

@@             Coverage Diff              @@
##                2.9    #1226      +/-   ##
============================================
+ Coverage     67.88%   68.05%   +0.16%     
  Complexity      119      119              
============================================
  Files           160      160              
  Lines         10467    10582     +115     
  Branches       1576     1601      +25     
============================================
+ Hits           7106     7202      +96     
- Misses         2662     2673      +11     
- Partials        699      707       +8     

Files	Coverage Δ
...ting/script/ChainedAlertTriggerExecutionContext.kt	58.82% <100.00%> (-14.26%)	⬇️
...lerting/transport/TransportExecuteMonitorAction.kt	83.78% <100.00%> (+0.68%)	⬆️
...erting/transport/TransportExecuteWorkflowAction.kt	80.35% <100.00%> (+1.11%)	⬆️
.../alerting/transport/TransportIndexMonitorAction.kt	60.63% <100.00%> (+4.28%)	⬆️
...in/org/opensearch/alerting/MonitorRunnerService.kt	77.20% <75.00%> (+2.96%)	⬆️
...n/kotlin/org/opensearch/alerting/TriggerService.kt	71.05% <50.00%> (-0.57%)	⬇️
...ting/transport/TransportGetWorkflowAlertsAction.kt	67.42% <66.66%> (-0.55%)	⬇️
...org/opensearch/alerting/workflow/WorkflowRunner.kt	1.13% <0.00%> (-0.03%)	⬇️
...earch/alerting/workflow/CompositeWorkflowRunner.kt	72.01% <67.24%> (+1.24%)	⬆️
...ain/kotlin/org/opensearch/alerting/AlertService.kt	79.74% <71.95%> (-2.03%)	⬇️

... and 4 files with indirect coverage changes