chore(deps): update dependency uv to v0.5.21

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
uv (source, changelog)	==0.5.18 -> ==0.5.21

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Release Notes

astral-sh/uv (uv)

v0.5.21

Compare Source

Enhancements

• Avoid building dynamic versions when validating lockfile (#​10703)

Configuration

• Add UV_VENV_SEED environment variable (#​10715)

Performance

• Store unsupported tags in wheel filename (#​10665)

Bug fixes

• Avoid attempting to patch macOS dylib for non-macOS installs (#​10721)
• Avoid narrowing requires-python marker with disjunctions (#​10704)
• Respect environment variable credentials for indexes outside root (#​10688)
• Respect preferences for explicit index dependencies from requirements.txt (#​10690)
• Sort preferences by environment, then index (#​10700)
• Ignore permission errors when looking for user-level configuration file (#​10697)

Documentation

• Add SyntaxWarning compatibility note to bytecode compilation docs (#​10701)
• Add MACOSX_DEPLOYMENT_TARGET to the --python-platform documentation (#​10698)

v0.5.20

Compare Source

Bug fixes

• Avoid failing when deserializing unknown tags (#​10655)

v0.5.19

Compare Source

Enhancements

• Filter wheels from lockfile based on architecture (#​10584)
• Omit dynamic versions from the lockfile (#​10622)
• Add support for pip freeze --path (#​10488)
• Reduce verbosity of inline-metadata message when using uv run <script.py> (#​10588)
• Add opt-in Git LFS support (#​10335)
• Recommend --native-tls on SSL errors (#​10605)
• Show expected and available ABI tags in resolver errors (#​10527)
• Show target Python version in error messages (#​10582)
• Add --output-format=json support to uv python list (#​10596)

Python

The managed Python distributions have been updated, including:

• Python 3.14 support on Windows
• Python 3.14.0a4 support
• 64-bit RISC-V Linux support
• Bundled libedit updated from 2021091-3.1 -> 2024080-3.1
• Bundled tcl/tk updated from 8.6.12 -> 8.6.14 (for all Python versions on Unix, only for Python 3.14 on Windows)

See the python-build-standalone release notes for more details.

Performance

• Avoid allocating when stripping source distribution extension (#​10625)
• Reduce WheelFilename to 48 bytes (#​10583)
• Reduce distribution size to 200 bytes (#​10601)
• Remove import re from entrypoint wrapper scripts (#​10627)
• Shrink size of platform tag enum (#​10546)
• Use ArcStr in verbatim URL (#​10600)
• Use memchr for wheel parsing (#​10620)

Bug fixes

• Avoid reading symlinks during uv python install on Windows (#​10639)
• Correct Pyston tag format (#​10580)
• Provide pyproject.toml path for parse errors in uv venv (#​10553)
• Don't treat setuptools and wheel as seed packages in uv sync on Python 3.12 (#​10572)
• Fix git-tag cache-key reader in case of slashes (#​10467) (#​10500)
• Include build tag in rendered wheel filenames (#​10599)
• Patch embedded install path for Python dylib on macOS during python install (#​10629)
• Read cached registry distributions when --config-settings are present (#​10578)
• Show resolver hints for packages with markers (#​10607)

Documentation

• Add meta titles to documents in guides, excluding integration documents (#​10539)
• Remove build-system from example workspace rot (#​10636)

Preview features

• Make build backend type annotations more generic (#​10549)

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