Fix 11.3 CE -> EE upgrade docs for frontend compliation

doc/update/11.3-ce-to-ee.md

@@ -44,8 +44,11 @@ sudo -u git -H bundle install --without mysql development test --deployment
 # Run database migrations
 sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production
 
-# Clean up assets and cache
-sudo -u git -H bundle exec rake assets:clean assets:precompile cache:clear RAILS_ENV=production
+# Compile GetText PO files
+bundle exec rake gettext:compile RAILS_ENV=production
+
+# Update node dependencies and recompile assets
+sudo -u git -H bundle exec rake yarn:install gitlab:assets:clean gitlab:assets:compile RAILS_ENV=production NODE_ENV=production
 ```
 
 ### 4. Install `gitlab-elasticsearch-indexer` (optional) **[STARTER ONLY]**