Update redis Docker tag to v8

Author: renovate[bot]

services/redis/docker-compose.yml

@@ -1,7 +1,7 @@
 version: "3"
 services:
   redis:
-    image: redis:7.4.2-alpine
+    image: redis:8.2.1-alpine
     container_name: redis
     restart: unless-stopped
     command: redis-server --loglevel warning --requirepass redis_password