Merge branch 'quarantine-flaky-spec-epics_swimlanes_filtering_spec.rb' into 'master'

Quarantine a flaky 'epics_swimlanes_filtering_spec.rb' test

See merge request gitlab-org/gitlab!45136

ee/spec/features/boards/swimlanes/epics_swimlanes_filtering_spec.rb

@@ -61,7 +61,7 @@ RSpec.describe 'epics swimlanes filtering', :js do
       wait_for_empty_boards((3..4))
     end
 
-    it 'filters by assignee' do
+    it 'filters by assignee', quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/266990' do
       wait_for_all_requests
 
       set_filter("assignee", user.username)