Set python-version as string (#479)

Author: Zeitsperre

.github/workflows/pypi.yaml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/setup-python@v4
         name: Install Python
         with:
-          python-version: 3.10
+          python-version: "3.10"
 
       - name: Install dependencies
         run: |
@@ -53,7 +53,7 @@ jobs:
       - uses: actions/setup-python@v4
         name: Install Python
         with:
-          python-version: 3.10
+          python-version: "3.10"
       - uses: actions/download-artifact@v3
         with:
           name: releases