Refactors Notification action with new interface

[downsrob]

Issue #, if available:

Description of changes:
Refactors Notification action with new interface. To support the settings dynamically used in the notification action, as well as the script service used in the notification and transition actions, the settings and script service fields were added to the step context.

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[codecov-commenter]

Codecov Report

Merging #238 (a3ccc39) into development-extension (f8fc089) will increase coverage by 1.20%.
The diff coverage is 69.69%.

@@                     Coverage Diff                     @@
##             development-extension     #238      +/-   ##
===========================================================
+ Coverage                    63.47%   64.68%   +1.20%     
- Complexity                    1450     1486      +36     
===========================================================
  Files                          249      249              
  Lines                         9684     9740      +56     
  Branches                      1498     1506       +8     
===========================================================
+ Hits                          6147     6300     +153     
+ Misses                        2786     2654     -132     
- Partials                       751      786      +35     

Impacted Files	Coverage Δ
...ement/step/notification/AttemptNotificationStep.kt	62.50% <62.50%> (+62.50%)	⬆️
...statemanagement/action/NotificationActionParser.kt	70.00% <68.42%> (+70.00%)	⬆️
.../indexstatemanagement/action/NotificationAction.kt	88.23% <84.61%> (+88.23%)	⬆️
...anagement/indexstatemanagement/ISMActionsParser.kt	79.48% <100.00%> (+0.53%)	⬆️
...agement/indexstatemanagement/ManagedIndexRunner.kt	29.78% <100.00%> (ø)
...ensearch/indexmanagement/rollup/model/ISMRollup.kt	92.98% <0.00%> (-1.76%)	⬇️
...nt/indexstatemanagement/ManagedIndexCoordinator.kt	52.26% <0.00%> (+0.69%)	⬆️
...anagement/indexstatemanagement/model/Transition.kt	19.71% <0.00%> (+1.40%)	⬆️
...management/indexstatemanagement/MetadataService.kt	27.17% <0.00%> (+3.26%)	⬆️
...arch/indexmanagement/rollup/RollupSearchService.kt	59.25% <0.00%> (+3.70%)	⬆️
... and 6 more

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