Sync documentation version with setup.py

docs/conf.py

@@ -10,6 +10,7 @@
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
+from importlib.metadata import version
 import os
 import sys
 
@@ -26,7 +27,7 @@
 author = 'Ryan Gibson'
 
 # The full version, including alpha/beta/rc tags
-release = '1.3.5'
+release = version('modularitypruning')
 
 # -- General configuration ---------------------------------------------------