Update area limiter coeffs

[sajjadazimi]

Purpose

Update area fraction limiter coeffs because the functions in ClimaAtmos have been changed from exp to power laws. Also add a parameter for maximum buoyancy detrainment inverse timescale.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.78%. Comparing base (229c556) to head (c5e9226).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #291   +/-   ##
=======================================
  Coverage   91.78%   91.78%           
=======================================
  Files           1        1           
  Lines         146      146           
=======================================
  Hits          134      134           
  Misses         12       12           

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