Bump cibuildwheel to 2.21.1

Author: edgarrmondragon

.github/workflows/ci.yml

@@ -102,7 +102,7 @@ jobs:
             echo "CIBW_SKIP=${CIBW_SKIP} *-musllinux_* cp38-*_aarch64 cp39-*_aarch64 cp311-*_aarch64 cp312-*_aarch64 cp313-*_aarch64" >> $GITHUB_ENV
 
       - name: Build & Test Wheels
-        uses: pypa/cibuildwheel@v2.20.0
+        uses: pypa/cibuildwheel@v2.21.1
 
       - name: Upload artifact
         uses: actions/upload-artifact@v2