chore(deps): update dependency uv to v0.7.21

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
uv (source, changelog)	0.7.20 -> 0.7.21

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Release Notes

astral-sh/uv (uv)

v0.7.21

Compare Source

Python

• Restore the SQLite fts4, fts5, rtree, and geopoly extensions on macOS and Linux

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

Enhancements

• Add --python-platform to uv sync (#​14320)
• Support pre-releases in uv version --bump (#​13578)
• Add -w shorthand for --with (#​14530)
• Add an exception handler on Windows to display information on crash (#​14582)
• Add hint when Python downloads are disabled (#​14522)
• Add UV_HTTP_RETRIES to customize retry counts (#​14544)

Preview features

• Add uv sync --output-format json (#​13689)

Bug fixes

• Do not re-resolve with a new Python version in uv tool if it is incompatible with --python (#​14606)
• Fix handling of globs in cache-key: follow symlinks (#​13438) and .. and improve performance (#​13469)

Documentation

• Document how to nest dependency groups with include-group (#​14539)
• Fix repeated word in Pyodide doc (#​14554)
• Update CONTRIBUTING.md with instructions to format markdown files (#​14246)
• Fix version number for setup-python (#​14533)

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