Update README.md

[paulflang]

Checklist

• Appropriate tests were added
• Any code changes were done in a way that does not break public API
• All documentation related to code changes were updated
• The new code follows the
  contributor guidelines, in particular the SciML Style Guide and
  COLPRAC.
• Any new documentation only uses public API

Additional context

Add any other context about the problem here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (320ca04) 94.24% compared to head (9fdf009) 0.27%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #137       +/-   ##
==========================================
- Coverage   94.24%   0.27%   -93.98%     
==========================================
  Files           7       7               
  Lines         365     362        -3     
==========================================
- Hits          344       1      -343     
- Misses         21     361      +340     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.