Use date range in license copyright

[Baptouuuu]

Fix #2

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (762b719) to head (1e458a5).
⚠️ Report is 4 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##             develop        #6   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity        29        29           
===========================================
  Files              5         5           
  Lines            143       143           
===========================================
  Hits             143       143           

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