chore(deps): 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 8.16.0 to 8.19.0
- [Changelog](https://github.com/brianc/node-postgres/blob/master/CHANGELOG.md)
- [Commits](https://github.com/brianc/node-postgres/commits/pg@8.19.0/packages/pg)

Updates `@types/pg` from 8.15.2 to 8.18.0
- [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: 8.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: "@types/pg"
  dependency-version: 8.18.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -34,7 +34,7 @@
 	"dependencies": {
 		"drizzle-orm": "^0.45.1",
 		"itty-router": "^3.0.12",
-		"pg": "^8.16.0"
+		"pg": "^8.19.0"
 	},
 	"devDependencies": {
 		"@cloudflare/workers-types": "^4.20260210.0",
@@ -47,7 +47,7 @@
 		"@semantic-release/npm": "^12.0.1",
 		"@semantic-release/release-notes-generator": "^14.0.3",
 		"@types/node": "^22.15.21",
-		"@types/pg": "^8.15.2",
+		"@types/pg": "^8.18.0",
 		"@typescript-eslint/eslint-plugin": "^8.55.0",
 		"@typescript-eslint/parser": "^8.32.1",
 		"conventional-changelog-conventionalcommits": "^9.0.0",