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

Author: renovate[bot]

docker-compose.yml

@@ -128,7 +128,7 @@ services:
     volumes:
       - defectdojo_postgres:/var/lib/postgresql/data
   valkey:
-    image: valkey/valkey:7.2.11-alpine@sha256:36745d7c91d75dde02fa239ebe333fa1c7637249ed76f7da1c5ea838375974ff
+    image: valkey/valkey:9.0.1-alpine@sha256:1be494495248d53e3558b198a1c704e6b559d5e99fe4c926e14a8ad24d76c6fa
     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