Bump ahmadnassri/action-dependabot-auto-merge from 2.6.0 to 2.6.3 (#459)

Author: dependabot[bot]

.github/workflows/dependabot_automerge.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2.4.0
-      - uses: ahmadnassri/action-dependabot-auto-merge@v2.6.0
+      - uses: ahmadnassri/action-dependabot-auto-merge@v2.6.3
         with:
           target: minor
           command: "squash and merge"