Upload wheel artifacts from the correct directory

The cibuildwheel Action is not passed an argument specifying an output
directory (as was done when installing manually), so it defaults to
`wheelhouse`, not `dist`.

Also, error instead of warn if no artifacts were found.

Author: QuLogic

.github/workflows/cibuildwheel.yml

@@ -110,4 +110,5 @@ jobs:
       - uses: actions/upload-artifact@v3
         with:
           name: wheels
-          path: ./dist/*.whl
+          path: ./wheelhouse/*.whl
+          if-no-files-found: error