chore: upgrade actions/setup-python

Release logs: https://github.com/actions/setup-python/releases

Notable: Previously, the version of Python might have been cached
between builds, and wouldn't end up using the most recent release.
Adding `check-latest: true` ensures we get the latest released version.

Signed-off-by: Mike Fiedler <[email protected]>

Author: miketheman

.github/workflows/ci.yml

@@ -11,9 +11,10 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v3
       - name: Install Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
+          check-latest: true
       - name: Install dependencies
         run: python -m pip install tox
       - name: Run tests
@@ -25,9 +26,10 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v3
       - name: Install Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: "3.x"
+          check-latest: true
       - name: Install dependencies
         run: python -m pip install tox
       - name: Run linting
@@ -41,9 +43,10 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v3
       - name: Install Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
           python-version: "3.x"
+          check-latest: true
       - name: Install dependencies
         run: python -m pip install tox
       - name: Test packaging

.github/workflows/release.yml

@@ -11,7 +11,10 @@ jobs:
       with:
         ref: ${{ github.event.release.tag_name }}
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
+      with:
+        python-version: "3.x"
+        check-latest: true
     - name: Install build dependencies
       run: pip install -U setuptools wheel build
     - name: Build