adjust python versions in README

Author: joshuadavidthomas

README.rst

@@ -41,8 +41,8 @@ This app supports the following combinations of Django and Python:
 ==========  ========================
   Django      Python
 ==========  ========================
-3.2         3.7, 3.8, 3.9, 3.10, 3.11
-4.0         3.8, 3.9, 3.10, 3.11
+3.2         3.7, 3.8, 3.9, 3.10
+4.0         3.8, 3.9, 3.10
 4.1         3.8, 3.9, 3.10, 3.11
 ==========  ========================