chore(deps-dev): bump @cloudflare/workers-types in /notifier

Bumps [@cloudflare/workers-types](https://github.com/cloudflare/workerd) from 4.20240821.1 to 4.20240919.0.
- [Release notes](https://github.com/cloudflare/workerd/releases)
- [Changelog](https://github.com/cloudflare/workerd/blob/main/RELEASE.md)
- [Commits](https://github.com/cloudflare/workerd/commits)

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

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

notifier/package.json

@@ -31,7 +31,7 @@
   "license": "ISC",
   "devDependencies": {
     "@biomejs/biome": "1.8.3",
-    "@cloudflare/workers-types": "^4.20240821.1",
+    "@cloudflare/workers-types": "^4.20240919.0",
     "@types/node": "^22.5.0",
     "typescript": "^5.5.4",
     "wrangler": "^3.72.2"