update py42 branch (#351)

Author: tora-kozic

tox.ini

@@ -44,7 +44,7 @@ deps =
     pytest == 4.6.11
     pytest-mock == 2.0.0
     pytest-cov == 2.10.0
-    git+https://github.com/code42/py42.git@master#egg=py42
+    git+https://github.com/code42/py42.git@main#egg=py42
 
 [testenv:integration]
 commands =