Bump path-to-regexp and express

Bumps [path-to-regexp](https://github.com/pillarjs/path-to-regexp) and [express](https://github.com/expressjs/express). These dependencies needed to be updated together.

Updates `path-to-regexp` from 8.3.0 to 8.4.0
- [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@v8.3.0...v8.4.0)

Updates `express` from 4.21.1 to 4.22.1
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/v4.22.1/History.md)
- [Commits](expressjs/express@4.21.1...v4.22.1)

---
updated-dependencies:
- dependency-name: path-to-regexp
  dependency-version: 8.4.0
  dependency-type: indirect
- dependency-name: express
  dependency-version: 4.22.1
  dependency-type: indirect
...

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Author: dependabot[bot]