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 99.20%. Comparing base (3bc3bcc) to head (ca5e956).

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #27      +/-   ##
============================================
+ Coverage     99.11%   99.20%   +0.09%     
  Complexity      358      358              
============================================
  Files            44       44              
  Lines          2141     2141              
============================================
+ Hits           2122     2124       +2     
+ Misses           19       17       -2     

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