Update valkey/valkey:9.0.3-alpine Docker digest from 9.0.3 to 9.0.3-alpine (docker-compose.yml) (#14653)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

docker-compose.yml

@@ -129,7 +129,7 @@ services:
     volumes:
       - defectdojo_postgres:/var/lib/postgresql/data
   valkey:
-    image: valkey/valkey:9.0.3-alpine@sha256:84c96f47ebe197e635cd3ddbe3ab74e8bdf783cf3befbfb1c36387275c1cd5d5
+    image: valkey/valkey:9.0.3-alpine@sha256:e1095c6c76ee982cb2d1e07edbb7fb2a53606630a1d810d5a47c9f646b708bf5
     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