Remove obsolete build targets cp36* pp*

Author: tonigi

.github/workflows/build_wheels.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Build wheels
         uses: pypa/cibuildwheel@v3.0.1
         env:
-          CIBW_SKIP: "cp36* pp* *musllinux*"
+          CIBW_SKIP: "*musllinux*"
           CIBW_TEST_REQUIRES: pytest
           CIBW_TEST_COMMAND: "pytest {project}/tests"
           CIBW_ARCHS: auto64