chore(deps): update postgres:16.1-alpine docker digest to b218fa6

Author: renovate[bot]

src/development/stack.yml

@@ -67,7 +67,7 @@ services:
       POSTGRES_DB_FILE: /run/secrets/postgres_db
       POSTGRES_PASSWORD_FILE: /run/secrets/postgres_password
       POSTGRES_USER_FILE: /run/secrets/postgres_user
-    image: postgres:16.1-alpine@sha256:b5b982f51f46f10cfc81bbd9f922692a9b1b6aac3955d7dda2c7733f8ca5bf09
+    image: postgres:16.1-alpine@sha256:b218fa67aa721648d3da64351bc9c779074cc17d4e3105dd3acb476627cb3746
     secrets:
     - postgres_db
     - postgres_password