Bump waitress from 2.1.1 to 2.1.2

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](Pylons/waitress@v2.1.1...v2.1.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements-transitive.txt

@@ -86,7 +86,7 @@ typing-extensions==3.10.0.2
 urllib3==1.26.6
 venusian==3.0.0
 vine==1.3.0
-waitress==2.1.1
+waitress==2.1.2
 WebOb==1.8.6
 wrapt==1.12.1
 zope.deprecation==4.4.0