ci: fix automerge

Author: murat-mehmet

.github/workflows/automerge.yml

@@ -1,4 +1,6 @@
 name: automerge
+permissions:
+  contents: write
 on:
   pull_request:
     types:
@@ -25,4 +27,5 @@ jobs:
         name: automerge
         uses: "pascalgn/[email protected]"
         env:
+          MERGE_LABELS: ""
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"