chore(deps): bump path-to-regexp and @vaadin/router

Bumps [path-to-regexp](https://github.com/pillarjs/path-to-regexp) to 6.3.0 and updates ancestor dependency [@vaadin/router](https://github.com/vaadin/vaadin-router). These dependencies need to be updated together.


Updates `path-to-regexp` from 2.4.0 to 6.3.0
- [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@v2.4.0...v6.3.0)

Updates `@vaadin/router` from 1.7.5 to 2.0.0
- [Release notes](https://github.com/vaadin/vaadin-router/releases)
- [Commits](https://github.com/vaadin/vaadin-router/commits)

---
updated-dependencies:
- dependency-name: path-to-regexp
  dependency-type: indirect
- dependency-name: "@vaadin/router"
  dependency-type: direct:production
...

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