Merge branch '196521-wait-for-protect' into 'master'

Adds wait_for_requests to protect_branch call

Closes #196521

See merge request gitlab-org/gitlab!23251

qa/qa/page/project/settings/protected_branches.rb

@@ -47,6 +47,7 @@ module QA
 
           def protect_branch
             click_element(:protect_button, wait: QA::Support::Repeater::DEFAULT_MAX_WAIT_TIME)
+            wait_for_requests
           end
 
           private