No syntax highlight in workflow files

[garysassano]

Describe the bug I have the following VS Code configuration:

"[github-actions-workflow]": {
  "editor.defaultFormatter": "github.vscode-github-actions",
  "editor.formatOnSave": true,
  "editor.tabSize": 2,
},

Yet, when trying to modify .github/workflows/test.yml, I get no syntax highlight for the file, despite being correctly recognized as a Github Actions Workflow.

To Reproduce Steps to reproduce the behavior:

1. With this workflow '...'
2. Do this '...'
3. See error

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

Extension Version v1.x.y

Additional context Add any other context about the problem here.