Don't pin to cibuildwheel 2.20.X

Author: agriyakhetarpal

.github/workflows/build-wheels.yml

@@ -62,7 +62,7 @@ jobs:
           platforms: all
 
       - name: Build wheels
-        uses: pypa/[email protected].0
+        uses: pypa/[email protected]
         if: matrix.python_impl != 'Pyodide'
         with:
           output-dir: wheelhouse
@@ -72,7 +72,7 @@ jobs:
 
       - name: Build Pyodide wheel
         if: matrix.python_impl == 'Pyodide'
-        uses: pypa/[email protected].0
+        uses: pypa/[email protected]
         with:
           output-dir: wheelhouse
           package-dir: statsmodels