Update charmcraft.yaml build tools (16/edge)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
pip (changelog)	26.0.1 → 26.1
uv (source, changelog)	0.11.7 → 0.11.8

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Release Notes

pypa/pip (pip)

v26.1

Compare Source

astral-sh/uv (uv)

v0.11.8

Compare Source

Released on 2026-04-27.

Enhancements

• Add --python-downloads-json-url to python pin (#​19092)
• Fetch uv from Astral mirror during self-update (#​18682)
• Support pip uninstall -y (#​19082)
• Add UV_PYTHON_NO_REGISTRY (#​19035)
• Allow exclude-newer to be missing from the lockfile when exclude-newer-span is present (#​19024)
• Only show the version number in uv self version --short (#​19019)
• Silence warnings on empty SSL_CERT_DIR directory (#​19018)
• Use a sentinel timestamp for relative exclude-newer and exclude-newer-package values in lockfiles (#​19022, #​19101)

Configuration

• Add an environment variable for UV_NO_PROJECT (#​19052)
• Expose UV_PYTHON_SEARCH_PATH for Python discovery PATH overrides (#​19034)

Bug fixes

• Add rust-toolchain.toml to uv-build sdist (#​19131)
• Ensure uv invocations of git do not inherit repository location environment variables (#​19088)
• Redact pre-signed upload URLs in verbose output (#​19146)
• Handle transitive URL dependencies in PEP 517 build requirements (#​19076, #​19086)
• Support uv lock on a pyproject.toml that only contains dependency-groups (#​19087)
• Disable transparent Python upgrades in projects when a patch version is requested via .python-version (#​19102)
• Fix Python variant tagging in the Windows registry (#​19012)
• Use a single codepath for extracting a .tar.zst wheel, disallowing external symlinks (#​19144)

Documentation

• Bump astral-sh/setup-uv version in docs (#​19030)
• Update PyTorch documentation for PyTorch 2.11 (#​19095)
• Remove deprecated license classifiers from uv-build and add Python 3.14 classifier (#​19130)

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