chore(deps): update docker-base-images

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
cgr.dev/chainguard/python	final	digest	ce9aaca → 4aa7dd6
ghcr.io/astral-sh/uv	stage	minor	0.11-python3.14-trixie-slim → 0.12-python3.14-trixie-slim

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Release Notes

astral-sh/uv (ghcr.io/astral-sh/uv)

v0.12

Released on 2026-08-07.

Python

• Add CPython 3.13.15 (#​20997)

Preview features

• Add --output-format to select automatic, human-readable, or raw-byte output for uv cache size (#​20992)
• Preserve JSON output from uv workspace metadata --quiet while suppressing diagnostics (#​20991)
• Reduce memory usage for large workspaces by streaming uv workspace metadata JSON output (#​20990)

Performance

• Reduce Linux startup latency by initializing the workspace cache before spawning another thread (#​20989)
• Reuse compiled workspace exclusion patterns during workspace discovery (#​20988)
• Speed up conflict-heavy resolutions by avoiding materialized range complements (#​20982)
• Avoid slow procfs reads during Python interpreter discovery on Linux (#​20987)

Documentation

• Add PEP 740 attestations to the GitHub Actions publishing example (#​20986)
• Restrict the GitHub Actions publishing example to Python version tags (#​20973)
• Correct --python-pin to --pin-python in the uv init --bare example (#​20876)

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