Update postgres:17.6-alpine Docker digest from 17.6 to 17.6-alpine (docker-compose.yml) (#13141)

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

Author: renovate[bot]

docker-compose.yml

@@ -120,7 +120,7 @@ services:
           source: ./docker/extra_settings
           target: /app/docker/extra_settings
   postgres:
-    image: postgres:17.6-alpine@sha256:3406990b6e4c7192317b6fdc5680498744f6142f01f0287f4ee0420d8c74063c
+    image: postgres:17.6-alpine@sha256:d5f196a551b5cef1c70853c6dd588f456d16ca4ea733e3f31c75bc1ae2f65f3f
     environment:
       POSTGRES_DB: ${DD_DATABASE_NAME:-defectdojo}
       POSTGRES_USER: ${DD_DATABASE_USER:-defectdojo}