Switch to self aware normalizers

[christian-kolb]

Changes

• Switch to digital-craftsman/self-aware-normalizers for normalizers and doctrine types.
• Dropped support for PHP 8.2.
• Added support for PHP 8.4.
• Prepared 2.0.0 release.

Resolves #69

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (1305efb) to head (3b5b77e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##                main       #74   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
+ Complexity       135       119   -16     
===========================================
  Files              6         2    -4     
  Lines            279       242   -37     
===========================================
- Hits             279       242   -37     

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