[CI] Github Actions workflow  "CI - Build - Multiple - OS" fails on macos-latest runner

The Github Actions workflow  "CI - Build - Multiple - OS" fails on macos-latest runner.

[example failure](https://github.com/apache/pulsar/pull/8706/checks?check_run_id=1456298506#step:4:6): 
Fails in step "Check if this pull request only changes documentation"
```
> Run apache/pulsar-test-infra/diff-only@master
Error: Container action is only supported on Linux
```