Merge pull request sshuttle#553 from sshuttle/dependabot/pip/pytest-6.1.2

Bump pytest from 6.1.1 to 6.1.2

Author: brianmay

requirements-tests.txt

@@ -1,6 +1,6 @@
 -r requirements.txt
 attrs==20.2.0
-pytest==6.1.1
+pytest==6.1.2
 pytest-cov==2.10.1
 mock==2.0.0
 flake8==3.8.4