Update GitLab Workhorse to v8.58.0

Changes:
https://gitlab.com/gitlab-org/gitlab-workhorse/-/blob/master/CHANGELOG

- Support alternate document root directory
  gitlab-org/gitlab-workhorse!626

- Fix uploader not returning 413 when artifact too large
  gitlab-org/gitlab-workhorse!663
- Auto-register Prometheus metrics
  gitlab-org/gitlab-workhorse!660

- Do not resize when image is less than 8 bytes
  gitlab-org/gitlab-workhorse!666

GITLAB_WORKHORSE_VERSION

-8.57.0
+8.58.0

changelogs/unreleased/sh-update-workhorse-8-58-0.yml

+---
+title: Update GitLab Workhorse to v8.58.0
+merge_request: 49534
+author:
+type: changed