Merge branch...

Merge branch '416962-dashboard-designer-custom-visualizations-not-fetched-from-correct-location' into 'master'

Fetch custom visualizations from correct repo

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/125329



Merged-by: Max Woolf <mwoolf@gitlab.com>
Approved-by: Max Woolf <mwoolf@gitlab.com>
Co-authored-by: Elwyn Benson <ebenson@gitlab.com>