Homogeneous freezing example + FIX for mark updated attributes in homogeneous freezing and thaw + expanded unit test of record freezing temperature

[tluettm]

[codecov[bot]]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 86.46%. Comparing base (73ccc3d) to head (706b95c). :warning: Report is 11 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1682      +/-   ##
==========================================
- Coverage   86.50%   86.46%   -0.04%     
==========================================
  Files         412      412              
  Lines       10372    10387      +15     
==========================================
+ Hits         8972     8981       +9     
- Misses       1400     1406       +6     

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