Bump pytest from 6.0.1 to 6.0.2

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.0.1 to 6.0.2.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.0.1...6.0.2)

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

Author: dependabot-preview[bot]

requirements.dev.txt

@@ -10,7 +10,7 @@ pyls==0.1.6
 pyls-black==0.4.6
 pyls-isort==0.1.1
 pymdown-extensions==8.0
-pytest==6.0.1
+pytest==6.0.2
 pytest-console-scripts==0.2.0
 pytest-cov==2.10.1
 pytest-mock==3.2.0