feat: drop php 8.1 support

[simPod]

• test on php 8.3

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.42%. Comparing base (4e14bca) to head (b1bd205).
Report is 3 commits behind head on 0.2.x.

Additional details and impacted files

@@           Coverage Diff           @@
##            0.2.x      #44   +/-   ##
=======================================
  Coverage   68.42%   68.42%           
=======================================
  Files           6        6           
  Lines          57       57           
=======================================
  Hits           39       39           
  Misses         18       18           

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