do not run on MacOS

Author: mvorisek

.github/workflows/push.yml

@@ -84,4 +84,5 @@ jobs:
             -d opcache.protect_memory=1
             -d opcache.jit_buffer_size=16M
       - name: Assert generated files are up to date
+        if: false # TODO scripts/dev/genfiles needs Bison 3.0
         uses: ./.github/actions/templating