Upgrade to ty 0.0.42

[bartfeenstra]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 92.20779% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 98.52%. Comparing base (07c6bc0) to head (051bdfc).
⚠️ Report is 2 commits behind head on 0.5.x.

Files with missing lines	Patch %	Lines
betty/datas/aggregate/collection/__init__.py	77.77%	1 Missing and 1 partial ⚠️
betty/datas/aggregate/record/__init__.py	66.66%	1 Missing and 1 partial ⚠️
betty/definition/cls.py	90.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##            0.5.x    #4353      +/-   ##
==========================================
- Coverage   98.53%   98.52%   -0.02%     
==========================================
  Files         850      850              
  Lines       30462    30494      +32     
  Branches     1248     1252       +4     
==========================================
+ Hits        30015    30043      +28     
- Misses        284      286       +2     
- Partials      163      165       +2     

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