Mark as PHP 8.4 compatible

[jakejackson1]

Pull Request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Build-related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

Run automated tests using PHP 8.4 and mark as compatible in composer.

What is the new behavior?

Can be installed using composer on PHP 8.4

Does this introduce a breaking change?

• Yes
• No

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.30%. Comparing base (aab738e) to head (5a9ddce).
Report is 5 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main      #59   +/-   ##
=========================================
  Coverage     89.30%   89.30%           
  Complexity     1350     1350           
=========================================
  Files            26       26           
  Lines          3131     3131           
=========================================
  Hits           2796     2796           
  Misses          335      335           

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