chore(deps): update docker/setup-buildx-action action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
docker/setup-buildx-action	action	major	v3.12.0 → v4.0.0

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Release Notes

docker/setup-buildx-action (docker/setup-buildx-action)

v4.0.0

Compare Source

• Node 24 as default runtime (requires Actions Runner v2.327.1 or later) by @​crazy-max in #​483
• Remove deprecated inputs/outputs by @​crazy-max in #​464
• Switch to ESM and update config/test wiring by @​crazy-max in #​481
• Bump @​actions/core from 1.11.1 to 3.0.0 in #​475
• Bump @​docker/actions-toolkit from 0.63.0 to 0.79.0 in #​482 #​485
• Bump js-yaml from 4.1.0 to 4.1.1 in #​452
• Bump lodash from 4.17.21 to 4.17.23 in #​472
• Bump minimatch from 3.1.2 to 3.1.5 in #​480

Full Changelog: docker/setup-buildx-action@v3.12.0...v4.0.0

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Configuration

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♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.41%. Comparing base (9d4cf3d) to head (313c0ff).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #483   +/-   ##
=======================================
  Coverage   92.41%   92.41%           
=======================================
  Files          15       15           
  Lines         725      725           
=======================================
  Hits          670      670           
  Misses         46       46           
  Partials        9        9           

Flag	Coverage Δ
backend	92.41% <ø> (ø)
integration	92.41% <ø> (ø)
unittests	90.06% <ø> (ø)

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