Update version to 1.2.1

Author: kevinrizza

setup.py

@@ -12,7 +12,7 @@
 setup(
   name='operator-courier',
   packages=['operatorcourier'],
-  version='1.2.0',
+  version='1.2.1',
   description='Build, verify and push operators',
   author='AOS Marketplace',
   author_email='[email protected]',