Bump pg and @types/pg

Bumps [pg](https://github.com/brianc/node-postgres/tree/HEAD/packages/pg) and [@types/pg](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/pg). These dependencies needed to be updated together.

Updates `pg` from 8.13.1 to 8.15.6
- [Changelog](https://github.com/brianc/node-postgres/blob/master/CHANGELOG.md)
- [Commits](https://github.com/brianc/node-postgres/commits/[email protected]/packages/pg)

Updates `@types/pg` from 8.11.11 to 8.11.14
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/pg)

---
updated-dependencies:
- dependency-name: pg
  dependency-version: 8.15.6
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: "@types/pg"
  dependency-version: 8.11.14
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -57,15 +57,15 @@
     "@types/jest": "^29.5.12",
     "@types/node": "^22.13.8",
     "@types/nprogress": "^0.2.3",
-    "@types/pg": "^8.11.10",
+    "@types/pg": "^8.11.14",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.0",
     "@types/swagger-ui-react": "^5.18.0",
     "@typescript-eslint/eslint-plugin": "^8.31.0",
     "@typescript-eslint/parser": "^8.31.0",
     "eslint": "^9.21.0",
     "eslint-config-next": "^15.2.2",
-    "pg": "^8.13.1",
+    "pg": "^8.15.6",
     "postcss": "^8.4.41",
     "tailwindcss": "^4.1.4",
     "ts-jest": "^29.3.0",