Update dependabot-auto.yaml

Author: cskinfill

.github/workflows/dependabot-auto.yaml

@@ -11,7 +11,7 @@ jobs:
     steps:
       - name: Enable auto-merge for Dependabot PRs
         if: ${{ github.actor == 'dependabot[bot]' && github.event.pull_request.head.repo.full_name == github.repository }}
-        run: gh pr merge --auto --rebase "$PR_URL"
+        run: gh pr merge --auto --squash "$PR_URL"
         env:
           PR_URL: ${{ github.event.pull_request.html_url }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}