Bump pypa/cibuildwheel from 3.4 to 4.0

Bumps [pypa/cibuildwheel](https://github.com/pypa/cibuildwheel) from 3.4 to 4.0.
- [Release notes](https://github.com/pypa/cibuildwheel/releases)
- [Changelog](https://github.com/pypa/cibuildwheel/blob/main/docs/changelog.md)
- [Commits](pypa/cibuildwheel@v3.4...v4.0)

---
updated-dependencies:
- dependency-name: pypa/cibuildwheel
  dependency-version: '4.0'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build-wheels.yml

@@ -67,7 +67,7 @@ jobs:
           platforms: all
 
       - name: Build wheels (Default)
-        uses: pypa/cibuildwheel@v3.4
+        uses: pypa/cibuildwheel@v4.0
         if: (matrix.python_impl != 'Pyodide')
         with:
           output-dir: wheelhouse
@@ -77,7 +77,7 @@ jobs:
 
       - name: Build Pyodide wheel
         if: matrix.python_impl == 'Pyodide'
-        uses: pypa/cibuildwheel@v3.4
+        uses: pypa/cibuildwheel@v4.0
         with:
           output-dir: wheelhouse
           package-dir: statsmodels