chore(deps): update postgres docker tag to v16.6

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

Author: renovate[bot]

compas/docker-compose-postgresql.yml

@@ -8,7 +8,7 @@ services:
   postgresql:
     labels:
       compas: true
-    image: "postgres:16.2"
+    image: "postgres:16.6"
     ports:
       - "5432:5432"
     environment: