Update specs for composer repository

spec/support/shared_examples/requests/api/composer_packages_shared_examples.rb

@@ -72,7 +72,7 @@ RSpec.shared_examples 'Composer package creation' do |user_type, status, add_mem
 
       expect(response).to have_gitlab_http_status(status)
     end
-    it_behaves_like 'a gitlab tracking event', described_class.name, 'register_package'
+    it_behaves_like 'a gitlab tracking event', described_class.name, 'push_package'
   end
 end