build(deps): bump astral-sh/setup-uv from 2 to 6 (#448)

---
updated-dependencies:
- dependency-name: astral-sh/setup-uv
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/CD-publish_to_pypi.yml

@@ -56,7 +56,7 @@ jobs:
           python-version: 3.11.10
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v2
+        uses: astral-sh/setup-uv@v6
         with:
           enable-cache: true