Bump pytest from 6.2.3 to 6.2.4

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.2.3 to 6.2.4.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.3...6.2.4)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

test-requirements.txt

@@ -48,7 +48,7 @@ pygments==2.8.1
     # via sphinx
 pyparsing==2.4.7
     # via packaging
-pytest==6.2.3
+pytest==6.2.4
     # via
     #   -r test-requirements.in
     #   pytest-cov