Test run on MacOS

This should fail and later pass with deprecated-packages/vendor-patch-files#2

Author: Anton Evers

.github/workflows/bare_run.yaml

@@ -7,7 +7,7 @@ on:
 
 jobs:
     bare_run:
-        runs-on: ubuntu-latest
+        runs-on: [ubuntu-latest, macos-latest]
 
         strategy:
             fail-fast: false