Update Vue 3 migration docs to match progress

doc/development/fe_guide/vue3_migration.md

@@ -6,12 +6,10 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 
 # Migration to Vue 3
 
-Preparations for a Vue 3 migration are tracked in epic [&3174](https://gitlab.com/groups/gitlab-org/-/epics/3174)
+The migration from Vue 2 to 3 is tracked in epic [&6252](https://gitlab.com/groups/gitlab-org/-/epics/6252).
 
-In order to prepare for the eventual migration to Vue 3.x, we should not use the following deprecated features in the codebase:
-
-NOTE:
-Our linting rules block the use of these deprecated features.
+To ease migration to Vue 3.x, we have added [eslint rules](https://gitlab.com/gitlab-org/frontend/eslint-plugin/-/merge_requests/50)
+that prevent us from using the following deprecated features in the codebase.
 
 ## Vue filters