ci: skip simulator for external PRs (#34221)

* try

* try

* try

* try...

* skip

* cleanup

.github/workflows/selfdrive_tests.yaml

@@ -309,6 +309,7 @@ jobs:
     runs-on:
       - ${{ ((github.repository == 'commaai/openpilot') && ((github.event_name != 'pull_request') || (github.event.pull_request.head.repo.full_name == 'commaai/openpilot'))) && 'namespace-profile-amd64-8x16' || 'ubuntu-24.04' }}
       - ${{ ((github.repository == 'commaai/openpilot') && ((github.event_name != 'pull_request') || (github.event.pull_request.head.repo.full_name == 'commaai/openpilot'))) && 'namespace-experiments:docker.builds.local-cache=separate' || 'ubuntu-24.04' }}
+    if: (github.repository == 'commaai/openpilot') && ((github.event_name != 'pull_request') || (github.event.pull_request.head.repo.full_name == 'commaai/openpilot'))
     steps:
     - uses: actions/checkout@v4
       with: