chore(deps): update redis docker tag to v8

Author: renovate[bot]

compose.yaml.jinja

@@ -154,7 +154,7 @@ services:
         read_only: true
       {%- endif %}
   redis:
-    image: redis:7.4.7-alpine3.21
+    image: redis:8.0.5-alpine3.21
     restart: unless-stopped
   db-management:
     image: ghcr.io/opalmedapps/opal-db-management:main