Add debug step for GitHub token presence check

.github/workflows/dependabotautomerge.yml

@@ -14,6 +14,15 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+      - name: Debug token presence
+      run: |
+        if [ -z "${{ secrets.GITHUB_TOKEN }}" ]; then
+          echo "TOKEN IS EMPTY"
+          exit 1
+        else
+          echo "TOKEN EXISTS"
+        fi
+    
         - name: Auto-merge
           if: contains(github.event.pull_request.labels.*.name, 'auto-merge')
           uses: fastify/github-action-merge-dependabot@v3