#11369 Use the correct index repo cache directory in the `parallelRepoUpdate` method as well

Signed-off-by: Vincent van ’t Zand <vovtz@users.noreply.github.com>

pkg/downloader/manager.go

@@ -668,6 +668,7 @@ func (m *Manager) parallelRepoUpdate(repos []*repo.Entry) error {
 		if err != nil {
 			return err
 		}
+		r.CachePath = m.RepositoryCache
 		wg.Add(1)
 		go func(r *repo.ChartRepository) {
 			if _, err := r.DownloadIndexFile(); err != nil {