Bump actions/setup-python from 2 to 4 (#748)

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

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

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

Author: dependabot[bot]

.github/workflows/pypi-publish.yml

@@ -12,7 +12,7 @@ jobs:
       uses: actions/checkout@v3
       with:
         submodules: recursive
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: '3.x' # Version range or exact version of a Python version to use, using SemVer's version range syntax
     - name: Install dependencies