chore(deps): update dependency pytest to v4.6.1

Author: renovate-bot

requirements-dev.txt

@@ -12,7 +12,7 @@ flake8-isort==2.7.0
 flake8-string-format==0.2.3
 flake8-tuple==0.3.1
 isort==4.3.20
-pytest==4.6.0
+pytest==4.6.1
 pytest-cov==2.7.1
 pytest-django==3.4.8
 pytest-env==0.6.2