Bump actions/setup-python from 2 to 3 (#339)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 3.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](actions/setup-python@v2...v3)

---
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/lint.yaml

@@ -24,7 +24,7 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v3
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
           python-version: '3.8'
       - name: Install dependencies

.github/workflows/publish-to-pypi.yaml

@@ -29,7 +29,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Set up Python 3
-      uses: actions/setup-python@dc73133d4da04e56a135ae2246682783cc7c7cb6 # v2.2.2
+      uses: actions/setup-python@v3 # v2.2.2
       with:
         python-version: 3.7
     - name: Install pypa/build