Bump pypa/cibuildwheel from 2.20.0 to 2.21.1 (#68)

Bumps [pypa/cibuildwheel](https://github.com/pypa/cibuildwheel) from 2.20.0 to 2.21.1.
- [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...v2.21.1)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/wheels.yml

@@ -36,7 +36,7 @@ jobs:
         with:
           platforms: arm64
 
-      - uses: pypa/cibuildwheel@v2.20.0
+      - uses: pypa/cibuildwheel@v2.21.1
         env:
           # Only build CPython 3.9, because we have portable abi3 wheels.
           CIBW_BUILD: "cp39-* cp39-win_arm64"