build(deps): bump actions/setup-python from 3 to 4 (#57)

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] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
         fetch-depth: 0
 
     - name: Set up Python 3.8
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v4
       with:
         python-version: '3.8'
 

.github/workflows/tests.yml

@@ -26,7 +26,7 @@ jobs:
         fetch-depth: 0
 
     - name: Set up Python ${{ matrix.pyv }}
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.pyv }}
         cache: pip