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.
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Additional details and impacted files

@@           Coverage Diff           @@
##             main      #32   +/-   ##
=======================================
  Coverage        ?   93.76%           
  Complexity      ?      209           
=======================================
  Files           ?       30           
  Lines           ?     1956           
  Branches        ?        0           
=======================================
  Hits            ?     1834           
  Misses          ?      122           
  Partials        ?        0           

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