Bump express and netlify-cli

Removes [express](https://github.com/expressjs/express). It's no longer used after updating ancestor dependency [netlify-cli](https://github.com/netlify/cli). These dependencies need to be updated together.


Removes `express`

Updates `netlify-cli` from 15.6.0 to 17.23.1
- [Release notes](https://github.com/netlify/cli/releases)
- [Changelog](https://github.com/netlify/cli/blob/main/CHANGELOG.md)
- [Commits](netlify/cli@v15.6.0...v17.23.1)

---
updated-dependencies:
- dependency-name: express
  dependency-type: indirect
- dependency-name: netlify-cli
  dependency-type: direct:development
...

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