Enable automerge for spec update PRs (#569)

Author: cguldner

.github/workflows/spec_update.yml

@@ -131,8 +131,8 @@ jobs:
         env:
           GH_TOKEN: ${{ steps.app-token.outputs.token }}
 
-      # - name: Enable Pull Request Automerge
-      #   if: steps.create-pr.outputs.pull-request-number
-      #   run: gh pr merge --merge --auto "${{ steps.create-pr.outputs.pull-request-number }}"
-      #   env:
-      #     GH_TOKEN: ${{ steps.app-token.outputs.token }}
+      - name: Enable Pull Request Automerge
+        if: steps.create-pr.outputs.pull-request-number
+        run: gh pr merge --merge --auto "${{ steps.create-pr.outputs.pull-request-number }}"
+        env:
+          GH_TOKEN: ${{ steps.app-token.outputs.token }}