🔧 chore(noa): invoke all ticketing actions via the issue alert handlers

[iamrajjoshi]

we need all of ticketing actions to flow to the issue alert handler.

this pr defines a new TicketingActionHandler ABC to handle invoking the issue alert handlers directly and updates the corresponding implementing classes to use the new ABC.

the changes are covered by this, so we should be good

[codecov]

Codecov Report

Attention: Patch coverage is 83.33333% with 2 lines in your changes missing coverage. Please review.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...low_engine/handlers/action/notification/handler.py	83.33%	2 Missing ⚠️

Additional details and impacted files

@@                  Coverage Diff                   @@
##           raj/aci/action-group   #87372    +/-   ##
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  Coverage                 87.73%   87.74%            
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  Files                      9863     9863            
  Lines                    558658   558387   -271     
  Branches                  22024    22024            
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- Hits                     490164   489942   -222     
+ Misses                    68111    68062    -49     
  Partials                    383      383            

[Copilot]

Pull Request Overview

This PR refactors ticketing actions by funneling them through the issue alert handler and introduces a new TicketingActionHandler abstract base class.

• Implements execute_via_metric_alert_handler to centralize notification handling for ticketing actions.
• Introduces TicketingActionHandler with a dedicated configuration schema for ticketing actions.
• Updates GitHub, GitHub Enterprise, Jira, Jira Server, and Azure Devops action handlers to extend TicketingActionHandler.

Comments suppressed due to low confidence (2)

src/sentry/workflow_engine/handlers/action/notification/handler.py:102

• [nitpick] The configuration schema for 'target_identifier' is defined as type ["null"]. Verify if this is intentional or if a more flexible type (e.g., ["string", "null"]) is expected.

"type": ["null"],

src/sentry/workflow_engine/handlers/action/notification/handler.py:109

• Ensure that ActionTarget is an iterable since using the splat operator (*) requires it to be unpackable.

"enum": [*ActionTarget],

[Copilot]

Consider fixing the typo in the docstring: "thats" should be "that's".

Suggested change

	This exists so that all ticketing actions can use the same handler as issue alerts since thats the only way we can
	This exists so that all ticketing actions can use the same handler as issue alerts since that's the only way we can