chore(deps): update dependency uv to ~=0.8.15

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
uv (source, changelog)	~=0.8.14 -> ~=0.8.15

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Release Notes

astral-sh/uv (uv)

v0.8.15

Compare Source

Python

• Upgrade SQLite 3.50.4 in CPython builds for CVE-2025-6965 (see also python/cpython#137134)

Enhancements

• Add uv auth commands for credential management (#​15570)
• Add pyx support to uv auth commands (#​15636)
• Add uv tree --show-sizes to show package sizes (#​15531)
• Add --python-platform riscv64-unknown-linux (#​15630)
• Add --python-platform to uv run and uv tool (#​15515)
• Add uv publish --dry-run (#​15638)
• Add zstandard support for wheels (#​15645)
• Allow registries to pre-provide core metadata (#​15644)
• Retry streaming Python and binary download errors (#​15567)

Bug fixes

• Fix settings rendering for extra-build-dependencies (#​15622)
• Skip non-existent directories in bytecode compilation (#​15608)

Error messages

• Add error trace to invalid package format (#​15626)

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