Update version of cibuildwheel for recent Python versions.

Author: GrahamDumpleton

.github/workflows/main.yml

@@ -244,7 +244,7 @@ jobs:
         if: ${{ matrix.arch == 'aarch64' }}
         uses: docker/setup-qemu-action@v1
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.3.1
+        uses: pypa/cibuildwheel@v2.4.0
         with:
           output-dir: dist
         env: