Drop PHP 8.4 support

[Baptouuuu]

Since the latest version of innmind/url requires 8.5 essentially all packages for innmind/foundation can move to 8.5 as well.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.74%. Comparing base (dab0a12) to head (4b22573).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main      #29   +/-   ##
=========================================
  Coverage     90.74%   90.74%           
  Complexity      605      605           
=========================================
  Files            58       58           
  Lines          2324     2324           
=========================================
  Hits           2109     2109           
  Misses          215      215           

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