chore: bump pytest from 6.1.1 to 6.1.2 (#691)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.1.1 to 6.1.2.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.1.1...6.1.2)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

requirements/dev.txt

@@ -5,7 +5,7 @@ django-nose==1.4.6
 flake8==3.8.4
 sphinx-rtd-theme==0.5.0
 pylint==2.6.0
-pytest==6.1.1
+pytest==6.1.2
 pytest-cov==2.10.1
 pytest-django==4.1.0
 pytest-pylint==0.17.0