Bump pypa/cibuildwheel from 2.21.0 to 2.21.1 in the actions group

Bumps the actions group with 1 update: [pypa/cibuildwheel](https://github.com/pypa/cibuildwheel).


Updates `pypa/cibuildwheel` from 2.21.0 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@v2.21.0...v2.21.1)

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

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

.github/workflows/ci.yml

@@ -84,7 +84,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
         with: { fetch-depth: 0, submodules: true }
-      - uses: pypa/[email protected].0
+      - uses: pypa/[email protected].1
         env:
           CIBW_ARCHS: ${{ matrix.arch }}
           CIBW_TEST_REQUIRES: pytest>=6 pytest-cov>=3