Removing the quarantine tag

After some research, it seems that the test is actually passing on
the nightly runs. Because of this I will remove the tag to see if it
passes on the normal run and submit the test back for action.

qa/qa/specs/features/ee/browser_ui/3_create/repository/push_rules_spec.rb

 # frozen_string_literal: true
 
 module QA
-  # https://gitlab.com/gitlab-org/gitlab/issues/34978
-  context 'Create', :quarantine do
+  context 'Create' do
     context 'Push Rules' do
       describe 'using non signed commits' do
         file_name_limitation = 'denied_file'