Update version number

Author: KnugiHK

synapse_admin/__init__.py

@@ -3,7 +3,7 @@
     print("Synapse Admin API requires Python 3.7 or above.")
     sys.exit(1)
 
-__version__ = "0.2.0rc2"
+__version__ = "0.2.0"
 
 from synapse_admin.user import User  # noqa: F401
 from synapse_admin.management import Management  # noqa: F401