DOCSP-50786 - Fix redirects for Upcoming 404 (#274)

Author: mongoKart

config/redirects

@@ -1,6 +1,6 @@
 define: prefix docs/languages/python/pymongo-driver
 define: base https://www.mongodb.com/${prefix}
-define: versions v4.0 v4.1 v4.2 v4.3 v4.4 v4.5 v4.6 v4.7 v4.8 v4.9 4.10 4.11 4.12 master
+define: versions v4.0 v4.1 v4.2 v4.3 v4.4 v4.5 v4.6 v4.7 v4.8 v4.9 v4.10 v4.11 v4.12 v4.13 master
 
 symlink: current -> master