updated for version 7.3.313

Problem:    One more warning when compiling with dynamic Python 3.
Solution:   Change PySliceObject to PyObject.

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    313,
 /**/
     312,
 /**/