Update redis Docker tag to v8

Author: renovate[bot]

docker-compose-drm.yml

@@ -209,7 +209,7 @@ services:
       - ./OpenQ-Github-OAuth-Server:/app
   redis:
     container_name: redis
-    image: redis:7.0.7-alpine
+    image: redis:8.0.1-alpine
     ports:
       - "6379:6379"
   openq-token-price-cronjob:

docker-compose.yml

@@ -246,7 +246,7 @@ services:
       - ./OpenQ-Github-OAuth-Server:/app
   redis:
     container_name: redis
-    image: redis:7.0.8-alpine
+    image: redis:8.0.1-alpine
     ports:
       - "6379:6379"
   curler: