add depreciation warning

[PythonFZ]

No description provided.

[codecov]

Codecov Report

Merging #414 (36aecec) into main (a4fe34c) will increase coverage by 0.14%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #414      +/-   ##
==========================================
+ Coverage   96.47%   96.61%   +0.14%     
==========================================
  Files          33       33              
  Lines        1475     1478       +3     
  Branches      536      536              
==========================================
+ Hits         1423     1428       +5     
+ Misses         52       50       -2     

Flag	Coverage Δ
fulltest	96.21% <100.00%> (+0.14%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
zntrack/zn/method.py	93.75% <100.00%> (+0.64%)	⬆️
zntrack/utils/utils.py	92.47% <0.00%> (+2.15%)	⬆️

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