Bump pypa/cibuildwheel from 2.20.0 to 2.21.0

Bumps [pypa/cibuildwheel](https://github.com/pypa/cibuildwheel) from 2.20.0 to 2.21.0.
- [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...v2.21.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/publish.yml

@@ -48,7 +48,7 @@ jobs:
           path: ${{ steps.cibuildwheel-cache.outputs.dir }}
           key: ${{ runner.os }}-cibuildwheel
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.20.0
+        uses: pypa/cibuildwheel@v2.21.0
         env:
           CIBW_PROJECT_REQUIRES_PYTHON: ">=${{ needs.get_python_versions.outputs.min-python }}"
           CIBW_ARCHS: auto64
@@ -106,7 +106,7 @@ jobs:
           path: ${{ steps.cibuildwheel-cache.outputs.dir }}
           key: ${{ runner.os }}-${{ matrix.arch }}-cibuildwheel
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.20.0
+        uses: pypa/cibuildwheel@v2.21.0
         env:
           CIBW_PROJECT_REQUIRES_PYTHON: ">=${{ needs.get_python_versions.outputs.min-python }}"
           CIBW_ARCHS_LINUX: ${{ matrix.arch }}