Correct identifiers

Author: rhpvorderman

.github/workflows/ci.yml

@@ -147,7 +147,7 @@ jobs:
       - name: Install cibuildwheel
         run: python -m pip install cibuildwheel==1.8.0
         env:
-          CIBW_BUILD: py36,py37,py38,py39
+          CIBW_BUILD: "cp36-* cp37-* cp38-* cp39-*"
       - name: Build wheels
         run: cibuildwheel --output-dir dist
       - name: Build sdist