Add missing function call

app/assets/javascripts/pages/projects/commit/pipelines/index.js

 import $ from 'jquery';
 import MiniPipelineGraph from '~/mini_pipeline_graph_dropdown';
 import initPipelines from '~/commit/pipelines/pipelines_bundle';
+import { fetchCommitMergeRequests } from '~/commit_merge_requests';
 
 document.addEventListener('DOMContentLoaded', () => {
   new MiniPipelineGraph({
@@ -8,5 +9,6 @@ document.addEventListener('DOMContentLoaded', () => {
   }).bindEvents();
   // eslint-disable-next-line no-jquery/no-load
   $('.commit-info.branches').load(document.querySelector('.js-commit-box').dataset.commitPath);
+  fetchCommitMergeRequests();
   initPipelines();
 });