Disable Rails/SkipsModelValidations cop (#28712)

.rubocop.yml

@@ -109,9 +109,10 @@ Rails/LexicallyScopedActionFilter:
   Exclude:
     - 'app/controllers/auth/*'
 
+# Reason: There are appropriate times to use these features
+# https://docs.rubocop.org/rubocop-rails/cops_rails.html#railsskipsmodelvalidations
 Rails/SkipsModelValidations:
-  Exclude:
-    - 'db/*migrate/**/*'
+  Enabled: false
 
 # Reason: We want to preserve the ability to migrate from arbitrary old versions,
 # and cannot guarantee that every installation has run every migration as they upgrade.