Update ghcr.io/astral-sh/uv:python3.14-alpine Docker digest to 7a6d8c4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
ghcr.io/astral-sh/uv	final	digest	b88327b → 7a6d8c4
ghcr.io/astral-sh/uv	stage	digest	b88327b → 7a6d8c4

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.02%. Comparing base (fe5d329) to head (df5f0a3).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #423      +/-   ##
==========================================
- Coverage   76.08%   76.02%   -0.06%     
==========================================
  Files          36       36              
  Lines        3621     3621              
  Branches      290      290              
==========================================
- Hits         2755     2753       -2     
- Misses        795      796       +1     
- Partials       71       72       +1     

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