revert changelog

Author: sommeeeer

packages/open-next/CHANGELOG.md

@@ -142,7 +142,7 @@
 
   This is the V3 of OpenNext. It includes some breaking changes and cannot be used as a drop-in replacement for V2. If your IAC is using OpenNext V2, you will need to update it to use V3.
 
-  If you are using OpenNext V2, please refer to the [migration guide](https://opennext.js.org/migration#from-opennext-v2) to upgrade to V3.
+  If you are using OpenNext V2, please refer to the [migration guide](https://open-next.js.org/migration#from-opennext-v2) to upgrade to V3.
 
   ### New Features