Skip python 3.13 for test

Author: ndevenish

.github/workflows/build_wheels.yml

@@ -54,7 +54,7 @@ jobs:
             - name: Build wheel
               uses: pypa/[email protected]
               env:
-                  CIBW_SKIP: cp2* cp35* pp*
+                  CIBW_SKIP: cp2* cp35* pp* cp313*
                   # CIBW_TEST_COMMAND: pwd && ls && python3 -c "import pycbf, pathlib; print(pycbf.__path__ + '\n'); print(list(pathlib.Path(pycbf.__path__).parent.iterdir()))"
                   # CIBW_BEFORE_TEST: pip install pytest dials-data