use same cibuildwheel version in tests and release

Author: rgaudin

.github/workflows/CI-wheels.yaml

@@ -31,7 +31,7 @@ jobs:
           platforms: all
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.16
+        uses: pypa/cibuildwheel@v2.20
 
       - uses: actions/upload-artifact@v4
         with: