Accept any Python 3.x version to build dists

Author: pquentin

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Set up Python 3.x
         uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.x"
       - name: Install dependencies
         run: |
           python3 -m pip install nox