made legends compatible with mpl layout functions

[colganwi]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 86.36364% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 92.69%. Comparing base (8cbab8e) to head (f2b1dfd).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/pycea/tl/_utils.py	50.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #45      +/-   ##
==========================================
- Coverage   92.77%   92.69%   -0.09%     
==========================================
  Files          34       34              
  Lines        2450     2450              
==========================================
- Hits         2273     2271       -2     
- Misses        177      179       +2     

Files with missing lines	Coverage Δ
src/pycea/pl/_legend.py	98.87% <100.00%> (+0.95%)	⬆️
src/pycea/tl/clades.py	98.43% <100.00%> (+0.02%)	⬆️
src/pycea/tl/_utils.py	91.25% <50.00%> (-3.35%)	⬇️

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