Renovate - Istiod 1.27.0

This MR contains the following updates:

Package	Update	Change
istiod	minor	1.26.3 -> 1.27.0

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
  • Istio 1.27.0 Clean Install
  • Upgrade Istio 1.26.3 to 1.27.0
  • Istio 1.27.0 with local Keycloak
  • BB Test Pipeline

Add supporting info below

Clean install

~ % vers="1.27.0" 
kubectl get helmrelease -A | grep -E "NAME|$vers" ; \
kubectl get pods -l app.kubernetes.io/version="$vers" -A -o custom-columns='NAMESPACE:.metadata.namespace,POD:.metadata.name,IMAGES:.spec.containers[*].image'

NAMESPACE   NAME                         AGE   READY   STATUS
bigbang     istio-crds                   50m   True    Helm upgrade succeeded for release istio-system/istio-crds.v2 with chart istio-crds@1.27.0-bb.0
bigbang     istiod                       50m   True    Helm install succeeded for release istio-system/istiod.v1 with chart istiod@1.27.0-bb.0
bigbang     passthrough-ingressgateway   50m   True    Helm install succeeded for release istio-gateway/passthrough-ingressgateway.v1 with chart gateway@1.27.0-bb.0
bigbang     public-ingressgateway        50m   True    Helm install succeeded for release istio-gateway/public-ingressgateway.v1 with chart gateway@1.27.0-bb.0
NAMESPACE       POD                                           IMAGES
istio-gateway   passthrough-ingressgateway-5f6877d4bf-46hgz   registry1.dso.mil/ironbank/opensource/istio/proxyv2:1.27.0
istio-gateway   public-ingressgateway-74db5c7648-4q7bf        registry1.dso.mil/ironbank/opensource/istio/proxyv2:1.27.0
istio-system    istiod-57f4b9794f-sjf4g                       registry1.dso.mil/ironbank/opensource/istio/pilot:1.27.0             

Upgrade from 1.26.3 to 1.27.0

~ % helm history -n bigbang istio-crds && helm history -n bigbang istiod && helm history -n bigbang public-ingressgateway
REVISION	UPDATED                 	STATUS    	CHART                 	APP VERSION	DESCRIPTION     
1       	Fri Aug 15 14:51:03 2025	superseded	istio-crds-1.26.3-bb.0	1.26.3     	Install complete
2       	Fri Aug 15 14:59:51 2025	deployed  	istio-crds-1.27.0-bb.0	1.27.0     	Upgrade complete
REVISION	UPDATED                 	STATUS    	CHART             	APP VERSION	DESCRIPTION     
1       	Fri Aug 15 14:51:33 2025	superseded	istiod-1.26.3-bb.0	1.26.3     	Install complete
2       	Fri Aug 15 15:00:00 2025	deployed  	istiod-1.27.0-bb.0	1.27.0     	Upgrade complete
REVISION	UPDATED                 	STATUS    	CHART              	APP VERSION	DESCRIPTION     
1       	Fri Aug 15 14:52:03 2025	superseded	gateway-1.26.3-bb.0	1.26.3     	Install complete
2       	Fri Aug 15 14:59:56 2025	deployed  	gateway-1.27.0-bb.0	1.27.0     	Upgrade complete

1.27.0 with local Keycloak Auth

Reviewer only

• Tested and Validated changes

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Upgrade Notices

"N/A"