Bump itty-router from 4.0.13 to 5.0.9

Bumps [itty-router](https://github.com/kwhitley/itty-router) from 4.0.13 to 5.0.9.
- [Release notes](https://github.com/kwhitley/itty-router/releases)
- [Changelog](https://github.com/kwhitley/itty-router/blob/v5.x/CHANGELOG.md)
- [Commits](kwhitley/itty-router@v4.0.13...v5.0.9)

---
updated-dependencies:
- dependency-name: itty-router
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -22,7 +22,7 @@
     "@types/node": "^20.11.19",
     "bgent": "^0.0.18",
     "discord-interactions": "^3.4.0",
-    "itty-router": "^4.0.13",
+    "itty-router": "^5.0.9",
     "uuid-by-string": "^4.0.0"
   },
   "devDependencies": {