Add checkboxes for missing category items

As requested, the missing categories should have checkboxes vs bullets

Example of a generated issue:

Attention @ogolowinski and @jmeshell,
The following issues have been identified in the devops::release stage that do not have a category
label. These should be applied with urgency so that important issues are not being lost track of.

- [ ] - gitlab-org/gitlab#217323 Evaluate performance of large Release Evidence hashes ~"devops::release", ~"feature", ~"group::release management", ~"workflow::planning breakdown"
- [ ] - gitlab-org/gitlab#217020 Slack Integration: Deploy Notifications only default_and_protected is not respected ~"Slack", ~"backend", ~"bug", ~"deploy", ~"devops::release"
- [ ] - gitlab-org/gitlab#216903 Failure in qa/specs/features/ee/browser_ui/6_release/multi-project_pipelines_spec ~"Accepting merge requests", ~"P1", ~"QA", ~"Quality", ~"devops::release", ~"failure::test-environment", ~"found:master", ~"test"

/due in 7 days
/assign @ogolowinski @jmeshell
/label ~"triage report"