chore(deps): update quay.io/keycloak/keycloak docker tag to v26

Author: renovate-bot

apps/keycloak/deployment.yaml

@@ -34,7 +34,7 @@ spec:
           type: "RuntimeDefault"
       containers:
         - name: "keycloak"
-          image: "quay.io/keycloak/keycloak:25.0.6"
+          image: "quay.io/keycloak/keycloak:26.0.5"
           args: ["start"]
           securityContext:
             privileged: false