chore(deps-dev): bump @types/pg from 8.15.5 to 8.16.0

Bumps [@types/pg](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/pg) from 8.15.5 to 8.16.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/pg)

---
updated-dependencies:
- dependency-name: "@types/pg"
  dependency-version: 8.16.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -31,7 +31,7 @@
   "homepage": "https://github.com/praveentcom/openproxy#readme",
   "devDependencies": {
     "@types/node": "^25.0.3",
-    "@types/pg": "^8.15.5",
+    "@types/pg": "^8.16.0",
     "ts-node": "^10.9.2",
     "ts-node-dev": "^2.0.0",
     "typescript": "^5.9.3"