Update charmcraft.yaml build tools (16/edge)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
poetry (changelog)	2.3.1 → 2.3.2
uv (source, changelog)	0.9.27 → 0.9.28

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Release Notes

python-poetry/poetry (poetry)

v2.3.2

Compare Source

Changed

• Allow dulwich>=1.0 (#​10701).

poetry-core (2.3.1)

• Fix an issue where platform_release could not be parsed on Windows Server (#​911).

astral-sh/uv (uv)

v0.9.28

Compare Source

Released on 2026-01-29.

Python

• Update CPython to use OpenSSL 3.5.5 which includes fixes for high severity CVEs (python-build-standalone#960)

Enhancements

• Add support for Pyodide interpreter on Windows (#​17658)
• Warn if multiple indexes include default = true (#​17713)
• Skip uploads when validation reports 'Already uploaded' (#​17412)

Configuration

• Add a reflink alias for the "clone" link mode (#​17724)

Bug fixes

• Ensure uv.exe exits when uvw.exe or uvx.exe is killed (#​17500)

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.53%. Comparing base (44c4c40) to head (95c2e5c).
⚠️ Report is 4 commits behind head on 16/edge.

Additional details and impacted files

@@           Coverage Diff            @@
##           16/edge    #1415   +/-   ##
========================================
  Coverage    70.53%   70.53%           
========================================
  Files           16       16           
  Lines         4297     4297           
  Branches       691      691           
========================================
  Hits          3031     3031           
  Misses        1055     1055           
  Partials       211      211           

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