Bump pytest from 5.4.2 to 5.4.3

Bumps [pytest](https://github.com/pytest-dev/pytest) from 5.4.2 to 5.4.3.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@5.4.2...5.4.3)

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

Author: dependabot-preview[bot]

poetry.lock

@@ -34,7 +34,7 @@ flake8-bandit = "^2.1.2"
 flake8-black = "^0.2.0"
 flake8-bugbear = "^20.1.4"
 safety = "^1.8.5"
-pytest = "^5.4.1"
+pytest = "^5.4.3"
 mypy = "^0.770"
 codecov = "^2.1.3"
 reorder-python-imports = "^2.3.1"