Merge pull request #3536 from QYG2297248353/renovate/redis-6.x

Update redis Docker tag to v6.2.21

apps/redis/6.2.21/docker-compose.yml

@@ -4,7 +4,7 @@ networks:
 
 services:
   redis:
-    image: redis:6.2.20-alpine
+    image: redis:6.2.21-alpine
     container_name: ${CONTAINER_NAME}
     labels:
       createdBy: "Apps"