Bump actions/setup-python from 2 to 3.1.1

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 3.1.1.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](https://github.com/actions/setup-python/compare/v2...v3.1.1)

---
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>

.github/workflows/python-publish.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3.1.1
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -48,7 +48,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3.1.1
         with:
           python-version: '3.x'