Update actions/upload-artifact action to v6

[juul-mobile-bot]

This PR contains the following updates:

Package	Type	Update	Change
actions/upload-artifact	action	major	v5 → v6

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Release Notes

actions/upload-artifact (actions/upload-artifact)

v6

Compare Source

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.04%. Comparing base (6f86915) to head (f3c522f).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #406   +/-   ##
=======================================
  Coverage   69.04%   69.04%           
=======================================
  Files           9        9           
  Lines         798      798           
  Branches      217      217           
=======================================
  Hits          551      551           
  Misses        161      161           
  Partials       86       86           

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