ci(deps): bump astral-sh/setup-uv from 4 to 6

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 4 to 6.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](https://github.com/astral-sh/setup-uv/compare/v4...v6)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/publish.yml

@@ -32,7 +32,7 @@ jobs:
         python-version: "3.12"
     
     - name: Install uv
-      uses: astral-sh/setup-uv@v4
+      uses: astral-sh/setup-uv@v6
       with:
         version: "latest"
     
@@ -181,7 +181,7 @@ jobs:
         python-version: "3.12"
     
     - name: Install uv
-      uses: astral-sh/setup-uv@v4
+      uses: astral-sh/setup-uv@v6
     
     - name: Install dependencies
       run: |