Fix typo in README.md

Author: BeautterLife

README.md

@@ -44,8 +44,8 @@ Project status
 
 The project is test with:
 * MySQL 5.5, 5.6 and 5.7
-* Python 3.3, 3.4, 3.5 and 3.6 (3.2 is not supported)
-* PyPy (really faster than the standard Python interpreter)
+* Python 3.7, 3.11 (3.7 is unsupported)
+* PyPy 3.7, 3.9 (really faster than the standard Python interpreter)
 
 The project is used in production for critical stuff in some
 medium internet corporations. But all use case as not