fix: account for footnotes in README.md

[JoshuaKGoldberg]

PR Checklist

• Addresses an existing open issue: fixes 🐛 Bug: Transition removes footnotes from README.md #2129
• That issue was marked as status: accepting prs
• Steps in CONTRIBUTING.md were taken

Overview

🎁

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.81%. Comparing base (e59901b) to head (f7f2c78).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2130   +/-   ##
=======================================
  Coverage   99.81%   99.81%           
=======================================
  Files         127      128    +1     
  Lines        5265     5292   +27     
  Branches      375      383    +8     
=======================================
+ Hits         5255     5282   +27     
  Misses         10       10           

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[github-actions]

🎉 This is included in version v2.24.5 🎉

The release is available on:

• GitHub releases
• npm package (@latest dist-tag)

Cheers! 📦🚀