Bump actions/setup-python from 3.1.2 to 4.0.0 (#19)

Author: dependabot[bot]

.github/workflows/pypi-release.yaml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - uses: actions/setup-python@v3.1.2
+      - uses: actions/setup-python@v4.0.0
         name: Install Python
         with:
           python-version: 3.8
@@ -48,7 +48,7 @@ jobs:
     needs: build-artifacts
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/setup-python@v3.1.2
+      - uses: actions/setup-python@v4.0.0
         name: Install Python
         with:
           python-version: 3.8