Update postgres Docker tag to v16.2 (#39)

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

Author: renovate[bot]

docker-compose.yml

@@ -16,7 +16,7 @@ services:
     depends_on:
       - db
  db:
-    image: postgres:16.1
+    image: postgres:16.2
     environment:
       POSTGRES_DB: moose
       POSTGRES_USER: root