Rename latest to next

Author: Jont828

fern/fern/docs.yml

@@ -20,7 +20,7 @@ title: NVIDIA Dynamo Documentation
 
 # Version configuration
 versions:
-  - display-name: Latest
+  - display-name: Next
     path: ./versions/latest.yml
   - display-name: v0.7.1
     path: ./versions/v0.7.1.yml