Update automerge.yml

Author: angularsen

.github/workflows/automerge.yml

@@ -22,5 +22,5 @@ jobs:
         uses: pascalgn/[email protected]
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
-          LABELS: !wip
+          LABELS: "!wip"
           MERGE_METHOD: squash