ci: handle PR author type OWNER (#15266)

Author: scotthart

.github/workflows/test-runner-untrusted.yml

@@ -28,7 +28,7 @@ jobs:
     # `ref` of the pull request, so downstream jobs know what to checkout.
     environment: 'external'
     name: Require Approval for External PRs
-    if: ${{ github.event.pull_request.author_association != 'MEMBER' && github.event.pull_request.author_association != 'COLLABORATOR' }}
+    if: ${{ github.event.pull_request.author_association != 'OWNER' && github.event.pull_request.author_association != 'MEMBER' && github.event.pull_request.author_association != 'COLLABORATOR' }}
     runs-on: ubuntu-latest
     outputs:
       checkout-sha: ${{ steps.save-pull-request.outputs.sha }}

.github/workflows/test-runner.yml

@@ -54,7 +54,8 @@ jobs:
     needs: [debug]
     if: >-
       ${{
-          ((github.event.pull_request.author_association == 'MEMBER' ||
+          ((github.event.pull_request.author_association == 'OWNER' ||
+           github.event.pull_request.author_association == 'MEMBER' ||
            github.event.pull_request.author_association == 'COLLABORATOR') &&
           github.event_name == 'pull_request_target') ||
           github.event_name == 'push' ||