Bump astral-sh/setup-uv from 2 to 4

Bumps [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv) from 2 to 4.
- [Release notes](https://github.com/astral-sh/setup-uv/releases)
- [Commits](astral-sh/setup-uv@v2...v4)

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

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -30,7 +30,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           allow-prereleases: true
-      - uses: astral-sh/setup-uv@v2
+      - uses: astral-sh/setup-uv@v4
         with:
           enable-cache: true
           cache-dependency-glob: pyproject.toml
@@ -49,7 +49,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: '3.12'
-      - uses: astral-sh/setup-uv@v2
+      - uses: astral-sh/setup-uv@v4
         with:
           enable-cache: true
           cache-dependency-glob: pyproject.toml