add py311 to CI

[johnnv1]

• fix types.annotation.Annotation color field

[codecov]

Codecov Report

Base: 100.00% // Head: 100.00% // No change to project coverage 👍

Coverage data is based on head (42e3ef7) compared to base (3bcd859).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #118   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           46        46           
  Lines         3449      3450    +1     
  Branches       377       378    +1     
=========================================
+ Hits          3449      3450    +1     

Impacted Files	Coverage Δ
CCAgT_utils/types/annotation.py	100.00% <100.00%> (ø)

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