Migrate XML configuration to PHP

[MaSpeng]

This pull request will migrate the deprecated XML configuration to PHP as a requirement to provide support for Symfony 7.4 and 8.0.

This PR closes #83.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.20%. Comparing base (3b38fce) to head (b4ab47e).
⚠️ Report is 4 commits behind head on develop.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop      #84      +/-   ##
=============================================
+ Coverage      99.03%   99.20%   +0.16%     
  Complexity        60       60              
=============================================
  Files             11       14       +3     
  Lines            207      251      +44     
=============================================
+ Hits             205      249      +44     
  Misses             2        2              

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[zakhar-huzenko]

@MaSpeng Thanks for the contribution! We’ve merged these changes via #87 instead, so we are closing this PR. Cheers!