Bump waitress from 2.1.1 to 2.1.2 in /requirements
Bump waitress from 2.1.1 to 2.1.2 in /requirements

Bumps [waitress](https://github.com/Pylons/waitress) from 2.1.1 to 2.1.2.
- [Release notes](https://github.com/Pylons/waitress/releases)
- [Changelog](https://github.com/Pylons/waitress/blob/v2.1.2/CHANGES.txt)
- [Commits](https://github.com/Pylons/waitress/compare/v2.1.1...v2.1.2)

---
updated-dependencies:
- dependency-name: waitress
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
hypothesis/bouncer,hypothesis/bouncer,hypothesis/bouncer