False warning for Github Action checkout step: "Context access might be invalid"

[mjheitland]

Describe the bug
False warning for Github checkout step: "Context access might be invalid"

To Reproduce
Steps to reproduce the behavior:

1. With this workflow '...'
   • name: checkout
     if: github.event_name == 'pull_request' || github.event_name == 'pull_request_target'
     uses: actions/checkout@v4
     with:
     ref: ${{ github.event.pull_request.head.sha }}
     I get this warning under problems in VS Code:
     "Context access might be invalid: pull_request"

Expected behavior
No problem warning in VS Code because I am checking if github event is pull_request or pull_request_target

Extension Version
v0.27.1

[grgar]

Duplicate of #222