add downgrade workflow

[patrickersing]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.28%. Comparing base (9547051) to head (ccdb862).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #134   +/-   ##
=======================================
  Coverage   99.28%   99.28%           
=======================================
  Files          96       96           
  Lines        5146     5146           
=======================================
  Hits         5109     5109           
  Misses         37       37           

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[JoshuaLampert]

LGTM, thanks!

[patrickersing]

Thanks for the help!