ci: cibuildwheels requires python 3.12

Author: joanise

.github/workflows/build.yml

@@ -25,6 +25,8 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
+        with:
+          python-version: "3.12"
       - name: Install cibuildwheel
         run: python -m pip install cibuildwheel==3.3.0
       - name: Build wheels