updated for version 7.3.250

Problem:    Python: Errors in Unicode characters not handled nicely.
Solution:   Add the surrogateescape error handler. (lilydjwg)

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    250,
 /**/
     249,
 /**/