ci: bump astral-sh/setup-uv from 3 to 4 in the actions group

Bumps the actions group with 1 update: [astral-sh/setup-uv](https://github.com/astral-sh/setup-uv).


Updates `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
  dependency-group: actions
...

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

.github/workflows/ci_workflow.yml

@@ -15,7 +15,7 @@ jobs:
     - uses: actions/setup-python@v5
       with:
         python-version: 3.x
-    - uses: astral-sh/setup-uv@v3
+    - uses: astral-sh/setup-uv@v4
       with:
         version: ">=0.4.18"
     - run: uvx tox -e lint
@@ -41,7 +41,7 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
         allow-prereleases: true
-    - uses: astral-sh/setup-uv@v3
+    - uses: astral-sh/setup-uv@v4
       with:
         version: ">=0.4.18"
     - run: uvx tox -e $(echo py${{ matrix.python-version }} | tr -d .)