chore(deps): update ghcr.io/astral-sh/uv docker tag to v0.4.20

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/astral-sh/uv	stage	patch	0.4.19 -> 0.4.20

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Release Notes

astral-sh/uv (ghcr.io/astral-sh/uv)

v0.4.20

Compare Source

Enhancements

• Add managed downloads for CPython 3.13.0 (final) (#​8010)
• Python 3.13 is the default version for uv python install (#​8010)
• Hint at wrong endpoint in uv publish failures (#​7872)
• List available scripts when a command is not specified for uv run (#​7687)
• Fill in authors filed during uv init (#​7756)

Documentation

• Add snapshot testing to contribution guide (#​7882)
• Fix and improve GitLab integration docs (#​8000)

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Configuration

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[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

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