Update version in conf.py

Author: SamProkopchuk

doc/source/conf.py

@@ -23,7 +23,7 @@
 author = "Bradley Steinfeld, Sam Prokopchuk, James Reeve"
 
 # The full version, including alpha/beta/rc tags
-release = "0.20.2"
+release = "0.20.3"
 
 
 # -- General configuration ---------------------------------------------------