Fix Activity Page Contributors dropdown (#31264)

Fix #31261

web_src/js/features/contributors.js

@@ -7,6 +7,7 @@ export async function initRepoContributors() {
   const {default: RepoContributors} = await import(/* webpackChunkName: "contributors-graph" */'../components/RepoContributors.vue');
   try {
     const View = createApp(RepoContributors, {
+      repoLink: el.getAttribute('data-repo-link'),
       locale: {
         filterLabel: el.getAttribute('data-locale-filter-label'),
         contributionType: {