Made fatigue perception limited to 0/1

[pariterre]

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Changes to Core Features:

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[codecov]

Codecov Report

Merging #398 (c9022e1) into master (9ac439b) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #398   +/-   ##
=======================================
  Coverage   88.97%   88.98%           
=======================================
  Files          39       39           
  Lines        5951     5953    +2     
=======================================
+ Hits         5295     5297    +2     
  Misses        656      656           

Impacted Files	Coverage Δ
bioptim/dynamics/fatigue/effort_perception.py	97.67% <100.00%> (+0.11%)	⬆️

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