Bump language version. (#3106)

Author: lukesneeringer

language/setup.py

@@ -55,7 +55,7 @@
 
 setup(
     name='google-cloud-language',
-    version='0.23.0',
+    version='0.23.1',
     description='Python Client for Google Cloud Natural Language',
     long_description=README,
     namespace_packages=[