ci: Fix external contributor workflow (#12755)

This failed (again) here: https://github.com/getsentry/sentry-javascript/actions/runs/9791997167/job/27036907594 Hopefully this fixes it...
getsentry · Jul 4, 2024 · eedd7c0 · eedd7c0
1 parent b4d6469
commit eedd7c0
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/.github/workflows/external-contributors.yml b/.github/workflows/external-contributors.yml
@@ -17,8 +17,6 @@ jobs:
       && github.actor != 'dependabot[bot]'
     steps:
       - uses: actions/checkout@v4
-        with:
-          ref: ${{ github.head_ref }}
       - name: Set up Node
         uses: actions/setup-node@v4
         with: