dependabot: merge needs strategy flag

Author: mistydemeo

.github/workflows/dependabot.yml

@@ -35,7 +35,12 @@ jobs:
         with:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
       - name: Auto-approve PR
-        run: gh pr merge "$PR_URL"
+        run: gh pr review --approve "$PR_URL"
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Merge PR
+        run: gh pr merge --rebase "$PR_URL"
         env:
           PR_URL: ${{ github.event.pull_request.html_url }}
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}