keycloak: update quay.io/keycloak/keycloak Docker tag to v26.0.6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
quay.io/keycloak/keycloak	Kustomization	patch	26.0.5 -> 26.0.6

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[github-actions]

Infro diff for 79c1a76

argocd.hashbang.sh > keycloak (0 files changed)

time="2024-11-22T06:50:24Z" level=warning msg="Failed to invoke grpc call. Use flag --grpc-web in grpc calls. To avoid this warning message, use flag --grpc-web."
time="2024-11-22T06:50:27Z" level=warning msg="Failed to invoke grpc call. Use flag --grpc-web in grpc calls. To avoid this warning message, use flag --grpc-web."

===== apps/Deployment keycloak/keycloak ======
--- /tmp/argocd-diff2208847278/keycloak-live.yaml
+++ /tmp/argocd-diff2208847278/keycloak
@@ -237,7 +237,7 @@
             name: keycloak-config-hdcdhkmdtd
         - secretRef:
             name: keycloak-config-9kffb44m7f
-        image: quay.io/keycloak/keycloak:26.0.5@sha256:089b5898cb0ba151224c83aef3806538582880029eb5ea71c2afd00b627d4907
+        image: quay.io/keycloak/keycloak:26.0.6@sha256:a93d22e13b8641c683b7d5ccf6802a8ee177a21357ab7950228c7517ad1896c0
         imagePullPolicy: IfNotPresent
         livenessProbe:
           failureThreshold: 3