fix(deps): fix the "postgres" client version since the latest one brings types issues (ref: porsager/postgres#1144)

Author: sneko

packages/server/package.json

@@ -49,7 +49,7 @@
     "ioredis": "^5.3.1",
     "mitt": "^3.0.0",
     "pino": "^8.11.0",
-    "postgres": "^3.3.4",
+    "postgres": "3.4.7",
     "sceau": "^1.3.0",
     "zod": "^4.1.12",
     "zod-to-json-schema": "^3.20.4",