ci(auto-merge): no need for checkout

Author: Ahmad Nassri

.github/workflows/auto-merge.yml

@@ -8,5 +8,4 @@ jobs:
     runs-on: ubuntu-latest
     if: github.actor == 'dependabot[bot]'
     steps:
-      - uses: actions/checkout@v2
       - uses: ahmadnassri/action-dependabot-auto-merge@v1