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 8.14.1 to 8.16.0
- [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 8.11.14 to 8.15.1
- [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: 8.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: "@types/pg"
  dependency-version: 8.15.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -16,9 +16,9 @@
   "author": "Yasmin Seidel (JasminDreasond)",
   "license": "GPL-3.0-only",
   "dependencies": {
-    "@types/pg": "^8.11.14",
+    "@types/pg": "^8.15.2",
     "@types/sqlite3": "^3.1.11",
-    "pg": "^8.14.1",
+    "pg": "^8.16.0",
     "sqlite": "^5.1.1",
     "sqlite3": "^5.1.7",
     "tiny-essentials": "^1.10.2"