Update dependency astral-sh/uv to v0.11.19

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
astral-sh/uv	uses-with	patch	0.11.18 → 0.11.19

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Release Notes

astral-sh/uv (astral-sh/uv)

v0.11.19

Compare Source

Released on 2026-06-03.

Python

• Add CPython 3.15.0b2 (#​19531)

Enhancements

• Always compute SHA256 for remote distributions (#​19662)
• Add PyEmscripten platform (PEP 783) (#​19629)
• Add Pyodide 2025 target triple (#​19653)

Preview features

• Make preview features for commands have names that aren't ambiguous with the command (#​19645)
• Respect --isolated in uv check (#​19666)

Bug fixes

• Continue tool uninstall after dangling receipts (#​19623)
• Skip Unix-specific installation steps when cross-installing Windows Python distributions (#​19424)

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