Update ghcr.io/astral-sh/uv Docker tag to v0.9.27

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/astral-sh/uv	final	patch	0.9.26 → 0.9.27

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Release Notes

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

v0.9.27

Compare Source

Released on 2026-01-26.

Python

• Upgrade Pyodide to 0.29.2 (#​17652)
• Upgrade to GraalPy 25.0.2 (#​17634)

Enhancements

• Add -t shortform for --target to uv pip subcommands (#​17501)
• Add support for ROCm 7.0 and 7.1 accelerator backends (#​17681)
• Further improve free-threading ABI incompatibility errors (#​17491)
• Implement uv pip freeze --exclude flag (#​17045)
• Improve warnings for --system and --no-system in uv venv (#​17647)
• Make uv pip compile attempt to download a specified --python-version if it can. (#​17249)
• Support Trusted Publishing with pyx (#​17438)
• Fix JSON schema for exclude-newer-package (#​17665)

Preview features

• Better detection for conflicting packages (#​17623)
• Upgrade based on outdated build versions in uv python upgrade (#​17653)

Bug fixes

• Change chocolatey system test to ensure uv uses the right python (#​17533)
• Fix infinite loop when SSL_CERT_FILE is a directory (#​17503)

Documentation

• Add cargo-xwin to the CONTRIBUTING guide (#​17507)
• Fix typo in the documentation of UV_PUBLISH_INDEX (#​17672)
• Move MSRV to platform support section (#​17534)
• Update the testing instructions in the CONTRIBUTING guide (#​17528)
• Use --locked to install cargo-xwin in guide (#​17530)
• Warn about PyPy being unmaintained (#​17643)
• docs: Correct gitlab-ci.yml to .gitlab-ci.yml (#​17682)

Other changes

• Update MSRV to 1.91 (#​17677)

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