Update to rubicon-objc v0.5.0

[samschott]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 85.63%. Comparing base (5dab588) to head (d4ca300).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/desktop_notifier/backends/macos.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #221      +/-   ##
==========================================
+ Coverage   85.06%   85.63%   +0.56%     
==========================================
  Files          10       10              
  Lines         951      940      -11     
==========================================
- Hits          809      805       -4     
+ Misses        142      135       -7     

Flag	Coverage Δ
pytest	85.63% <66.66%> (+0.56%)	⬆️

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