Fix auto-merge

Increase module version.

Signed-off-by: Vincent Petry <vincent@nextcloud.com>

.github/workflows/dependabot-approve.yml

@@ -12,7 +12,7 @@ jobs:
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
       # Nextcloud bot approve and merge request
-      - uses: ahmadnassri/action-dependabot-auto-merge@v1
+      - uses: ahmadnassri/action-dependabot-auto-merge@v2
         if: github.actor == 'dependabot[bot]' || github.actor == 'dependabot-preview[bot]'
         with:
           target: patch