Test on PHP 8.6

[BenMorel]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.23%. Comparing base (c2b69df) to head (8e9008c).

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #138   +/-   ##
=========================================
  Coverage     99.23%   99.23%           
  Complexity     1140     1140           
=========================================
  Files            48       48           
  Lines          2499     2499           
=========================================
  Hits           2480     2480           
  Misses           19       19           

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