chore(deps): update postgres:latest docker digest to 994cc31

.devcontainer/docker-compose.yml

@@ -20,7 +20,7 @@ services:
     # (Adding the "ports" property to this file will not forward from a Codespace.)
 
   db:
-    image: postgres:latest@sha256:8d3be35b184e70d81e54cbcbd3df3c0b47f37d06482c0dd1c140db5dbcc6a808
+    image: postgres:latest@sha256:994cc3113ce004ae73df11f0dbc5088cbe6bb0da1691dd7e6f55474202a4f211
     restart: unless-stopped
     volumes:
       - postgres-data:/var/lib/postgresql/data