Quarantine three flaky tests

Signed-off-by: Rémy Coutable <remy@rymai.me>

spec/controllers/projects/raw_controller_spec.rb

@@ -101,7 +101,7 @@ RSpec.describe Projects::RawController do
         expect(response).to have_gitlab_http_status(:too_many_requests)
       end
 
-      it 'logs the event on auth.log' do
+      it 'logs the event on auth.log', quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/345889' do
         attributes = {
           message: 'Application_Rate_Limiter_Request',
           env: :raw_blob_request_limit,

spec/features/groups/import_export/import_file_spec.rb

@@ -85,7 +85,7 @@ RSpec.describe 'Import/Export - Group Import', :js do
   context 'when the user uploads an invalid export file' do
     let(:file) { File.join(Rails.root, 'spec', %w[fixtures big-image.png]) }
 
-    it 'displays an error' do
+    it 'displays an error', quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/343995' do
       visit new_group_path
       click_link 'Import group'
 

spec/requests/api/graphql/ci/jobs_spec.rb

@@ -90,7 +90,7 @@ RSpec.describe 'Query.project.pipeline' do
         create(:ci_build_need, build: deploy_job, name: 'rspec 1 2')
       end
 
-      it 'reports the build needs and previous stages with no duplicates' do
+      it 'reports the build needs and previous stages with no duplicates', quarantine: 'https://gitlab.com/gitlab-org/gitlab/-/issues/346433' do
         post_graphql(query, current_user: user)
 
         expect(jobs_graphql_data).to contain_exactly(