Add canceling state for jobs

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/140522



Merged-by: drew stachon <730684-drew@users.noreply.gitlab.com>
Approved-by: Kamil Trzciński <ayufan@ayufan.eu>
Approved-by: drew stachon <730684-drew@users.noreply.gitlab.com>
Reviewed-by: Kamil Trzciński <ayufan@ayufan.eu>
Reviewed-by: Max Fan <mfan@gitlab.com>
Co-authored-by: Allison Browne <abrowne@gitlab.com>