Bump itty-router from 4.2.2 to 5.0.16

Bumps [itty-router](https://github.com/kwhitley/itty-router) from 4.2.2 to 5.0.16.
- [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@v4.2.2...v5.0.16)

---
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

@@ -19,7 +19,7 @@
   "author": "Lakhindar Pal",
   "license": "Apache License 2.0",
   "dependencies": {
-    "itty-router": "^4.2.2"
+    "itty-router": "^5.0.16"
   },
   "devDependencies": {
     "dotenv": "^16.4.5",