Update wheels.yml

Author: RoryBarnes

.github/workflows/wheels.yml

@@ -27,7 +27,7 @@ jobs:
 
       - name: Install cibuildwheel
         run: |
-          python -m pip install cibuildwheel
+          python -m pip install cibuildwheel==2.12.1
 
       - name: Build wheels on Windows
         if: runner.os == 'Windows'