Bump pytest from 6.2.2 to 6.2.3

Bumps [pytest](https://github.com/pytest-dev/pytest) from 6.2.2 to 6.2.3.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@6.2.2...6.2.3)

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

Author: dependabot-preview[bot]

test-requirements.txt

@@ -50,7 +50,7 @@ pyparsing==2.4.7
     # via packaging
 pytest-cov==2.11.1
     # via -r test-requirements.in
-pytest==6.2.2
+pytest==6.2.3
     # via
     #   -r test-requirements.in
     #   pytest-cov