You must always use the `${{ }}` expression syntax when negating (`!`). https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/using-conditions-to-control-job-execution
You must always use the `${{ }}` expression syntax when negating (`!`). https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/using-conditions-to-control-job-execution