Merge pull request #655 from mvanlonden/increment-version

Increment version to match release tag

Author: phalt

graphene_django/__init__.py

@@ -1,6 +1,6 @@
 from .types import DjangoObjectType
 from .fields import DjangoConnectionField
 
-__version__ = "2.2.0"
+__version__ = "2.3.0"
 
 __all__ = ["__version__", "DjangoObjectType", "DjangoConnectionField"]