Bump pytest-randomly from 2.0.0 to 2.1.0

Bumps [pytest-randomly](https://github.com/pytest-dev/pytest-randomly) from 2.0.0 to 2.1.0.
- [Release notes](https://github.com/pytest-dev/pytest-randomly/releases)
- [Changelog](https://github.com/pytest-dev/pytest-randomly/blob/master/HISTORY.rst)
- [Commits](pytest-dev/pytest-randomly@2.0.0...2.1.0)

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

Author: dependabot-support

poetry.lock

@@ -45,7 +45,7 @@ safety = "^1.8"
 
 pytest = "^4.3"
 pytest-cov = "^2.6"
-pytest-randomly = "^2.0"
+pytest-randomly = "^2.1"
 
 sphinx = "^1.8"
 sphinx-autodoc-typehints = "^1.6"