chore(deps): bump path-to-regexp and express in /example/react (#952)

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.


Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>