bump cibuildwheel version

Author: fantix

.github/workflows/release.yml

@@ -114,7 +114,7 @@ jobs:
       run: |
         brew install gnu-sed libtool autoconf automake
 
-    - uses: pypa/cibuildwheel@bd033a44476646b606efccdd5eed92d5ea1d77ad  # v2.20.0
+    - uses: pypa/cibuildwheel@7940a4c0e76eb2030e473a5f864f291f63ee879b  # v2.21.3
       env:
         CIBW_BUILD_VERBOSITY: 1
         CIBW_BUILD: ${{ matrix.cibw_python }}