rhcs-dashboard/ceph-dev: Corrected Keycloak image reference in configuration

Fixes: #90
Signed-off-by: Ankit Kumar <51ankitkp@gmail.com

Author: ankitk18

docker-compose.yml

@@ -151,7 +151,7 @@ services:
             - '--config.file=/etc/alertmanager/config.yml'
 
     keycloak:
-        image: ${KEYCLOAK_IMAGE:-jboss/keycloak:11.0.3}
+        image: ${KEYCLOAK_IMAGE:-quay.io/keycloak/keycloak:26.1}
         container_name: keycloak
         hostname: keycloak
         ports: ['${KEYCLOAK_HOST_HTTP_PORT:-8080}:8080', '${KEYCLOAK_HOST_HTTPS_PORT:-8443}:8443']