chore(deps-dev): bump setuptools from 51.0.0 to 51.1.0.post20201221

Bumps [setuptools](https://github.com/pypa/setuptools) from 51.0.0 to 51.1.0.post20201221.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/CHANGES.rst)
- [Commits](https://github.com/pypa/setuptools/commits)

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

dev-requirements.txt

@@ -15,4 +15,4 @@ click>=7.0
 click-plugins==1.1.1
 importlib-metadata==3.3.0
 wheel==0.36.2
-setuptools==51.0.0
+setuptools==51.1.0.post20201221