Update Helm release kiali-operator to v2.13.0

This MR contains the following updates:

Package	Update	Change
kiali-operator (source)	minor	2.12.0 -> 2.13.0

Complete MR checklist

Assignee

• Followed upgrade instructions outlined in docs/DEVELOPMENT_MAINTENANCE.md
• Update Docs with new/updated steps as needed
• Tested and Validated Changes made with supporting info like logs or screenshots from test pipelines
  • Clean install 2.13.0
  • Upgrade from 2.12.0-bb.2 to 2.13.0-bb.0
  • 2.13.0 install with local Keycloak
  • BB Pipeline Test

Add supporting info below

Clean install with passing helm tests

Upgrade Kiali from 2.12.0-bb.2 to 2.13.0-bb.0

%       helm history -n bigbang kiali-kiali
REVISION	UPDATED                 	STATUS    	CHART            	APP VERSION	DESCRIPTION     
1       	Mon Aug 11 16:35:37 2025	superseded	kiali-2.12.0-bb.2	2.12.0     	Install complete
2       	Mon Aug 11 16:54:07 2025	deployed  	kiali-2.13.0-bb.0	2.13.0     	Upgrade complete

Kiali 2.13.0 with local Keycloak Auth

Reviewer only

• Tested and Validated changes

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Upgrade Notices

"N/A"