chore(deps): update valkey/valkey docker tag from 7.2.11 to v9 (docker-compose.yml)

Author: renovate[bot]

docker-compose.yml

@@ -129,7 +129,7 @@ services:
     volumes:
       - defectdojo_postgres:/var/lib/postgresql/data
   valkey:
-    image: valkey/valkey:7.2.11-alpine@sha256:10328d00120dc14fbc87b2ed61b7677ddbb0d011e705361b4788329a0ec69a93
+    image: valkey/valkey:9.0.3-alpine@sha256:ad09f25978db13ed3ed7c635a0e43118568deca056ed8f7a5020f40632e2923e
     volumes:
       # we keep using the redis volume as renaming is not possible and copying data over
       # would require steps during downtime or complex commands in the intializer