bump to 1.2.0

Author: mkurnikov

setup.py

@@ -27,7 +27,7 @@ def find_stub_files(name):
 
 setup(
     name="djangorestframework-stubs",
-    version="1.1.0",
+    version="1.2.0",
     description='PEP-484 stubs for django-rest-framework',
     long_description=readme,
     long_description_content_type='text/markdown',