🛠 Tooling: Add aXe accessibility tests for UserWrappr

[JoshuaKGoldberg]

Tooling Report Checklist

• [X] I have tried restarting my IDE and the issue persists.
• [X] I have pulled the latest main branch of the repository.
• [X] I have searched for related issues and found none that matched my issue.

Overview

As a followup to #301 and #328, UserWrappr should have an aXe test run on each of the possible menu types.

Additional Info

No response

[JoshuaKGoldberg]

I took another look at accessibility and think I missed a few things, like aria states for menus. I'll lump these all in together.