build(deps): bump astral-sh/setup-uv from 3 to 4

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 3 to 4.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@v3...v4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/test.yml

@@ -37,7 +37,7 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
-    - uses: astral-sh/setup-uv@v3
+    - uses: astral-sh/setup-uv@v4
 
     - name: Install tox
       run: uv tool install --with tox-gh-actions --with tox-uv tox