Revert "fix(clerk-js): update changeset package name for core-2"

This reverts commit 48f40bc.

Author: nikosdouvlis

.changeset/fix-factor-two-infinite-spinner.md

@@ -1,5 +1,5 @@
 ---
-'@clerk/clerk-js': patch
+'@clerk/ui': patch
 ---
 
 Fix infinite loading spinner when navigating to factor-two sign-in route without an active 2FA session