chore(deps): update postgres:17.6-alpine docker digest from 17.6 to 17.6-alpine (docker-compose.yml) (#13000)

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:a283fb08619d3517039ae2106413cad68918934025640696a966f4fa468fe376
+    image: postgres:17.6-alpine@sha256:3406990b6e4c7192317b6fdc5680498744f6142f01f0287f4ee0420d8c74063c
     environment:
       POSTGRES_DB: ${DD_DATABASE_NAME:-defectdojo}
       POSTGRES_USER: ${DD_DATABASE_USER:-defectdojo}