Bump path-to-regexp and router

Bumps [path-to-regexp](https://github.com/pillarjs/path-to-regexp) to 8.1.0 and updates ancestor dependency [router](https://github.com/pillarjs/router). These dependencies need to be updated together.


Updates `path-to-regexp` from 0.1.7 to 8.1.0
- [Release notes](https://github.com/pillarjs/path-to-regexp/releases)
- [Changelog](https://github.com/pillarjs/path-to-regexp/blob/master/History.md)
- [Commits](pillarjs/path-to-regexp@v0.1.7...v8.1.0)

Updates `router` from 1.3.5 to 2.0.0
- [Release notes](https://github.com/pillarjs/router/releases)
- [Changelog](https://github.com/pillarjs/router/blob/master/HISTORY.md)
- [Commits](https://github.com/pillarjs/router/commits)

---
updated-dependencies:
- dependency-name: path-to-regexp
  dependency-type: indirect
- dependency-name: router
  dependency-type: direct:production
...

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

package.json

@@ -33,7 +33,7 @@
     "nodemailer": "^6.9.9",
     "pdfkit": "^0.13.0",
     "require-all": "^3.0.0",
-    "router": "^1.3.4",
+    "router": "^2.0.0",
     "server-destroy": "^1.0.1"
   },
   "scripts": {