Update docker-compose.yml for valkey security patch (#7926)

Critical security patch for Redis.
https://github.com/valkey-io/valkey/security/advisories/GHSA-9rfg-jx7v-52p6

docker-compose.yml

@@ -122,7 +122,7 @@ services:
 
   plane-redis:
     container_name: plane-redis
-    image: valkey/valkey:7.2.5-alpine
+    image: valkey/valkey:7.2.11-alpine
     restart: always
     volumes:
       - redisdata:/data