Update astral-sh/setup-uv action to v6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
astral-sh/setup-uv	action	major	v5 -> v6

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Release Notes

astral-sh/setup-uv (astral-sh/setup-uv)

v6

Compare Source

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Configuration

📅 Schedule: Branch creation - "on the first day of the month" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 100.00%. Comparing base (85dca67) to head (be0589f). Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #220   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines           16        16           
=========================================
  Hits            16        16           

Flag	Coverage Δ
macos-latest	100.00% <ø> (ø)
ubuntu-latest	100.00% <ø> (ø)
windows-latest	100.00% <ø> (ø)

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