test(deps): update dependency uv to v0.12.19 (main)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
uv (source, changelog)	0.12.18 → 0.12.19

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Release Notes

astral-sh/uv (uv)

v0.12.19

Compare Source

Released on 2026-09-24.

Python

• Add PyPy 3.11.16 and 3.12.14 (#​21847)
• Update GraalPy 3.13.0 to build 25.4.4 (#​21847)

Enhancements

• Format upload URLs with backticks in uv publish errors (#​21934)

Preview features

• Run build-backend hooks with lazy imports on CPython 3.15 and later using the build-lazy-imports preview feature (#​21967)
• Omit unused resolution settings from uv.lock and ignore changes to them when checking lockfile freshness with the resolution-inputs preview feature (#​21913)

Bug fixes

• Preserve signed and encoded query parameters in direct-URL metadata to avoid reinstalling unchanged packages (#​21971)
• Recognize 1.0.0 as satisfying ===1 during installed-package checks, matching resolution (#​21931)
• Avoid collisions between Git checkout readiness markers and .ok files in dependencies (#​21891)
• Preserve always-false python_version markers when parsing their serialized form (#​21939)

Rust API

• Restore the public FlatDistributions export and its BTreeMap conversion for downstream resolvers (#​21965)

Documentation

• Make individual preview-feature reference entries linkable by name (#​21950)

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• test/Dockerfile.distro
• test/python/Dockerfile.arm64

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📝 Walkthrough

Walkthrough

The distro and ARM64 test Dockerfiles now install uv 0.12.19 instead of 0.12.18.

Changes

uv version update

Layer / File(s)	Summary
Update test image uv pins test/Dockerfile.distro, test/python/Dockerfile.arm64	Both Dockerfiles now install uv 0.12.19 instead of 0.12.18.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Other

Merge Risk: ⚪ Minimal · up to 8225b

The change updates the uv pins in the distro and ARM64 test images; no actionable merge-blocking risk is evident from the supplied context.

Architecture Summary

Architecture risk: 🔵 Low · up to 8225b

The change affects 1 system.

Changed systems: test

Architecture concerns
No architecture-level concerns identified.

Review details

Systems and components

• observed — test (service) was modified; 2 changed files map to changed impact.

Before / after behavior

• observed — Modified behavior in test/Dockerfile.distro: The uv version installed in the test-python image changes from 0.12.18 to 0.12.19.
• observed — Modified behavior in test/python/Dockerfile.arm64: The test-uv stage now installs uv 0.12.19 instead of 0.12.18.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the test dependency update and specifies the change from uv to version 0.12.19.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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