chore(test): update PublicApiGenerator from 11.1.0 to 11.5.4

[Flash0ver]

"Breaking Changes" of PublicApiGenerator that have an impact on our API-Verify tests.

• 11.4.4
  • ordering of C# predefined types (keywords)
• 11.4.6
  • support for required modifier / "Required Members"

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.86%. Comparing base (fbaea9a) to head (bc88ab1).
⚠️ Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4866      +/-   ##
==========================================
+ Coverage   73.85%   73.86%   +0.01%     
==========================================
  Files         483      483              
  Lines       17577    17577              
  Branches     3464     3464              
==========================================
+ Hits        12981    12983       +2     
+ Misses       3742     3741       -1     
+ Partials      854      853       -1     

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[Flash0ver]

@sentry review