Bump astral-sh/setup-uv from 3 to 4

[dependabot]

Bumps astral-sh/setup-uv from 3 to 4.

Release notes

Sourced from astral-sh/setup-uv's releases.

v4.0.0 🌈 Fail when cache local path does not exist when trying to cache

🚨 Breaking change 🚨

By default, the action will now fail if caching is enabled but there is nothing to upload (the uv cache directory does not exist). If you want to ignore this, set the ignore-nothing-to-cache input to true.

- name: Ignore nothing to cache
  uses: astral-sh/setup-uv@v3
  with:
    enable-cache: true
    ignore-nothing-to-cache: true

---

In previous releases only an error got logged when saving the cache failed. In most cases users did not realize something was wrong with their config.

Changes

🚨 Breaking changes

• Fail when cache local path does not exist when trying to cache @​eifinger (#163)

🐛 Bug fixes

• Fail when cache local path does not exist when trying to cache @​eifinger (#163)
• Remove working dir from cacheDependencyGlob error message @​eifinger (#162)

📚 Documentation

• Change some formulations in README.md @​eifinger (#164)
• Add comment to clarify process.exit(0) @​eifinger (#161)

v3.2.4 🌈 Expand ~ tilde in input paths

This release adds support for expanding the ~ character to the user's home directory for the following inputs:

• cache-local-path
• tool-dir
• tool-bin-dir
• cache-dependency-glob

- name: Expand the tilde character
  uses: astral-sh/setup-uv@v3
  with:
    cache-local-path: "~/path/to/cache"
</tr></table> 

... (truncated)

Commits

• 38f3f10 Resolve latest version instead of downloading latest release (#178)
• 8bdd012 Add test for python-version (#177)
• 5f42d5a Replace v3 with v4 in README.md (#176)
• 26ddfef Add matrix example for python-version (#175)
• ee4fa33 Add input python-version (#174)
• 4209155 Reduce test matrices (#173)
• 9839fa9 chore: update known checksums for 0.5.5 (#170)
• 196fe5f Speed up updating known checksums (#166)
• 49d8a3d Clarify caching will only fail when enabled and nothing to cache (#165)
• d8db0a8 Change some formulations in README.md (#164)
• Additional commits viewable in compare view

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Summary by Sourcery

CI:

• Update GitHub Actions workflow to use astral-sh/setup-uv version 4.

[sourcery-ai]

Reviewer's Guide by Sourcery

This PR updates the astral-sh/setup-uv GitHub Action from version 3 to version 4. The main breaking change in v4 is that the action will now fail by default if caching is enabled but the uv cache directory does not exist, providing better error visibility for misconfigured caching.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Update GitHub Action version reference	Update setup-uv action version from v3 to v4	.github/workflows/pythonpackage.yml
Breaking change in caching behavior	Action will now fail when cache is enabled but cache directory doesn't exist New 'ignore-nothing-to-cache' option added to maintain previous behavior	.github/workflows/pythonpackage.yml

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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