lewagon/wait-on-check-action didn't need bot token

Author: hsbt

.github/workflows/dependabot_automerge.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Wait for status checks
         uses: lewagon/wait-on-check-action@v1.3.4
         with:
-          repo-token: ${{ secrets.MATZBOT_GITHUB_TOKEN }}
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
           check-regexp: test*
           wait-interval: 30