Install python 3.13 for cibuildwheel

Author: rgommers

.github/workflows/wheels.yml

@@ -133,6 +133,11 @@ jobs:
             echo "CIBW_ENVIRONMENT_MACOS=$CIBW PKG_CONFIG_PATH=$PKG_CONFIG_PATH DYLD_LIBRARY_PATH=$DYLD" >> "$GITHUB_ENV"
           fi
 
+      # Used to run cibuildwheel
+      - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
+        with:
+          python-version: "3.13"
+
       - name: Build wheel
         env:
           CIBW_BUILD: ${{ matrix.python }}-${{ matrix.buildplat[1] }}