Bump pypa/cibuildwheel from 2.20.0 to 2.21.3

Bumps [pypa/cibuildwheel](https://github.com/pypa/cibuildwheel) from 2.20.0 to 2.21.3.
- [Release notes](https://github.com/pypa/cibuildwheel/releases)
- [Changelog](https://github.com/pypa/cibuildwheel/blob/main/docs/changelog.md)
- [Commits](pypa/cibuildwheel@v2.20.0...v2.21.3)

---
updated-dependencies:
- dependency-name: pypa/cibuildwheel
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/wheels.yml

@@ -50,7 +50,7 @@ jobs:
       with:
         submodules: true
 
-    - uses: pypa/cibuildwheel@v2.20.0
+    - uses: pypa/cibuildwheel@v2.21.3
 
     - name: Verify clean directory
       run: git diff --exit-code