Use latest CPython for pyodide builds

Attempting to package a more modern wheel

Author: HexDecimal

.github/workflows/python-package.yml

@@ -361,7 +361,7 @@ jobs:
           version: "3.2.4" # Should be equal or less than the version used by Emscripten
       - uses: pypa/cibuildwheel@v4.3.3
         env:
-          CIBW_BUILD: cp313-pyodide_wasm32
+          CIBW_BUILD: cp315-pyodide_wasm32
           CIBW_PLATFORM: pyodide
       - name: Archive wheel
         uses: actions/upload-artifact@v7