prepare release 3.10.0.1 (python#863)

Author: JelleZijlstra

setup.py

@@ -9,7 +9,7 @@
                      'to install the typing package.\n')
     exit(1)
 
-version = '3.10.0.0'
+version = '3.10.0.1'
 description = 'Backported and Experimental Type Hints for Python 3.5+'
 long_description = '''\
 Typing Extensions -- Backported and Experimental Type Hints for Python