(DOCSP-28673): Update redirects file for 6.3 upcoming (#2726)

Author: jeff-allen-mongo

config/redirects

@@ -1,11 +1,11 @@
 define: prefix docs
 define: base https://www.mongodb.com/${prefix}
-define: versions v2.2 v2.4 v2.6 v3.0 v3.2 v3.4 v3.6 v4.0 v4.2 v4.4 v5.0 v5.1 v5.2 v5.3 v6.0 v6.1 master
-symlink: master -> v6.1
+define: versions v2.2 v2.4 v2.6 v3.0 v3.2 v3.4 v3.6 v4.0 v4.2 v4.4 v5.0 v5.1 v5.2 v5.3 v6.0 v6.1 v6.2 master
+symlink: master -> v6.3
 symlink: stable -> v6.0
-symlink: rapid -> v6.1
+symlink: rapid -> v6.2
 symlink: current -> v6.0
-symlink: upcoming -> v6.1
+symlink: upcoming -> v6.3
 symlink: manual -> v6.0
 
 [v2.2]: ${prefix}/${version}/core/read-operations-introduction -> ${base}/${version}/core/read-operations/