Draft: Add migration for tooling to maintenance

What does this MR do and why?

Describe in detail what your merge request does and why.

Migration of ~"type::tooling" MRs and issues to typemaintenance

Relates to https://gitlab.com/gitlab-org/quality/team-tasks/-/issues/1202

Expected impact & dry-runs

Dry-run job	Issues count	MRs count
https://gitlab.com/gitlab-org/quality/triage-ops/-/jobs/2156444178	1852	6066
https://gitlab.com/gitlab-org/quality/triage-ops/-/jobs/2209326990	1918	6168

Action items

• (If applicable) Add documentation to the handbook pages for Triage Operations =>
• (If applicable) Identify the affected groups and how to communicate to them:
  • /cc @person_or_group =>
  • Relevant Slack channels =>
  • Engineering week-in-review