feat(php): add 8.4 support

[ZNeumann]

Description

Type of change

• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• New feature / enhancement (non-breaking change which adds functionality)
• Security fix
• Bug fix (non-breaking change which fixes an issue)

Checklist:

• Documentation has been updated
• This change requires changes in testing:
  • unit tests
  • E2E tests

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 60.31%. Comparing base (94f652a) to head (e95ff91).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #165   +/-   ##
=======================================
  Coverage   60.31%   60.31%           
=======================================
  Files          22       22           
  Lines        1532     1532           
=======================================
  Hits          924      924           
  Misses        538      538           
  Partials       70       70           

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