Bump waitress from 2.1.2 to 3.0.1 (#577)

Bumps [waitress](https://github.com/Pylons/waitress) from 2.1.2 to 3.0.1.
- [Release notes](https://github.com/Pylons/waitress/releases)
- [Changelog](https://github.com/Pylons/waitress/blob/main/CHANGES.txt)
- [Commits](Pylons/waitress@v2.1.2...v3.0.1)

---
updated-dependencies:
- dependency-name: waitress
  dependency-type: direct:production
...

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