Fix syntax error (#3861)

Author: cte

.github/workflows/marketplace-publish.yml

@@ -21,7 +21,7 @@ jobs:
         github.event_name == 'workflow_dispatch'
     steps:
       - name: Checkout code
-      - uses: actions/checkout@v4
+        uses: actions/checkout@v4
         with:
           ref: ${{ env.GIT_REF }}
       - name: Install pnpm