Sandbox: Update to ruff 0.16.0 with old default configuration

[amotl]

See also https://astral.sh/blog/ruff-v0.16.0.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch update-ruff

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 55.58%. Comparing base (759aea3) to head (04d516e).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #253      +/-   ##
==========================================
+ Coverage   55.12%   55.58%   +0.46%     
==========================================
  Files         210      210              
  Lines        9778     9871      +93     
==========================================
+ Hits         5390     5487      +97     
+ Misses       4388     4384       -4     

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