chore(actions): add custom plugin-framework validation

[estellesoulard]

For terraform plugin framework schema attributes:

• add custom soft validation with warning for locality (zone or region)
• add strong UUID validation
• add localized UUID validation

[codecov-commenter]

Codecov Report

❌ Patch coverage is 44.82759% with 32 lines in your changes missing coverage. Please review.
✅ Project coverage is 1.76%. Comparing base (3a9607b) to head (d5242fc).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
internal/locality/zonal/schemas_framework.go	0.00%	7 Missing ⚠️
internal/verify/framework.go	81.25%	5 Missing and 1 partial ⚠️
internal/locality/regional/schemas_framework.go	0.00%	5 Missing ⚠️
...rvices/cockpit/action_trigger_test_alert_action.go	0.00%	4 Missing ⚠️
internal/services/instance/action_server_action.go	0.00%	4 Missing ⚠️
...al/services/keymanager/action_rotate_key_action.go	0.00%	4 Missing ⚠️
...ervices/jobs/action_start_job_definition_action.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           master   #3532      +/-   ##
=========================================
+ Coverage    1.71%   1.76%   +0.05%     
=========================================
  Files         420     422       +2     
  Lines       45910   45952      +42     
=========================================
+ Hits          787     813      +26     
- Misses      45036   45051      +15     
- Partials       87      88       +1     

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