workhorse: Update module github.com/BurntSushi/toml to v1.3.2

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/123503



Merged-by: Ash McKenzie <amckenzie@gitlab.com>
Approved-by: Ash McKenzie <amckenzie@gitlab.com>
Co-authored-by: GitLab Renovate Bot <gitlab-bot@gitlab.com>