Maintainer adding `yes/confirmed` does not apply `phase/yes`

[wooorm]

Initial checklist

• [x] I read the support docs
• [x] I read the contributing guide
• [x] I agree to follow the code of conduct
• [x] I searched issues and couldn’t find anything (or linked relevant results below)

Affected packages and versions: na

Steps to reproduce

1. Label: https://github.com/syntax-tree/hast-util-to-mdast/issues/62#event-4754537526
2. Run: https://github.com/syntax-tree/hast-util-to-mdast/runs/2601095548?check_suite_focus=true

Expected behavior

phase/yes applied, and then the rest that happens on that.

Actual behavior

nothing