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](https://github.com/pytest-dev/pytest/compare/6.2.2...6.2.3)

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

requirements_test.txt

@@ -5,7 +5,7 @@ flake8-docstrings==1.5.0
 pre-commit==2.10.1
 pylint==2.7.0
 pydocstyle==6.0.0
-pytest==6.2.2
+pytest==6.2.3
 pytest-cov==2.11.1
 pytest-sugar==0.9.4
 pytest-timeout==1.4.2