Use date range for the license copyright

[Baptouuuu]

Fix #2

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.06%. Comparing base (054e1f7) to head (96741ee).
⚠️ Report is 2 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff             @@
##             develop       #5   +/-   ##
==========================================
  Coverage      99.06%   99.06%           
  Complexity        40       40           
==========================================
  Files              9        9           
  Lines            215      215           
==========================================
  Hits             213      213           
  Misses             2        2           

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