Use a generic stable python

Otherwise we have to keep changing this.

Co-authored-by: Hugo van Kemenade <[email protected]>

.github/workflows/release.yaml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: 3.12
+          python-version: 3.x
 
       - name: Install dependencies
         run: |