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[schlunma]

Description

...This time with the correct target branch (see #2964)...

This PR adds the var_type: atm_2d_ml to the derived variable qep.

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Checklist

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• 🛠 Unit tests have been added
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[valeriupredoi]

Danke, Manu 🍺

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.62%. Comparing base (642238b) to head (3b901d4).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2965   +/-   ##
=======================================
  Coverage   95.62%   95.62%           
=======================================
  Files         266      266           
  Lines       15601    15601           
=======================================
  Hits        14918    14918           
  Misses        683      683           

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