chore(deps): bump actions/setup-python from 3 to 4 (#405)

* chore(deps): bump actions/setup-python from 3 to 4

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

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

* Apply suggestions from code review

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Henry Schreiner <henry.fredrick.schreiner@cern.ch>
Co-authored-by: Eduardo Rodrigues <eduardo.rodrigues@cern.ch>

.github/workflows/ci.yml

@@ -15,7 +15,9 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: 0
-    - uses: actions/setup-python@v3
+    - uses: actions/setup-python@v4
+      with:
+        python-version: "3.x"
     - uses: pre-commit/action@v3.0.0
       with:
         extra_args: --all-files --hook-stage manual
@@ -39,7 +41,7 @@ jobs:
       with:
         fetch-depth: 0
 
-    - uses: actions/setup-python@v3
+    - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
 
@@ -64,7 +66,9 @@ jobs:
       with:
         fetch-depth: 0
 
-    - uses: actions/setup-python@v3
+    - uses: actions/setup-python@v4
+      with:
+        python-version: "3.x"
 
     - name: Install package
       run: python -m pip install -e .[test]