Bump pg and @types/pg in /server

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 8.16.0 to 8.16.3
- [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 8.15.1 to 8.15.5
- [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: 8.16.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: "@types/pg"
  dependency-version: 8.15.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

server/package-lock.json

@@ -41,7 +41,7 @@
     "luxon": "3.6.1",
     "node-cache": "^5.1.2",
     "node-cron": "4.0.6",
-    "pg": "8.16.0",
+    "pg": "8.16.3",
     "postgres": "3.4.5",
     "psl": "^1.15.0",
     "resend": "^4.5.1",
@@ -58,7 +58,7 @@
     "@types/jsdom": "^21.1.7",
     "@types/luxon": "3.6.2",
     "@types/node": "^20.14.8",
-    "@types/pg": "^8.15.1",
+    "@types/pg": "^8.15.5",
     "@types/psl": "^1.1.3",
     "@types/sqlstring": "2.3.2",
     "drizzle-kit": "0.31.1",