ci: bump version of auto-merge

Author: aidenybai

.github/workflows/auto-merge.yml

@@ -6,9 +6,9 @@ on:
 jobs:
   auto-merge:
     runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
     steps:
       - uses: actions/checkout@v2
-      - uses: ahmadnassri/action-dependabot-auto-merge@v2
+      - uses: ahmadnassri/action-dependabot-auto-merge@v2.3
         with:
-          target: patch
-          github-token: ${{ secrets.github_token }}
+          github-token: ${{ secrets.token }}