fix: improve build action version

.github/workflows/pr_closed.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Check out the repo
         uses: actions/checkout@v2
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
         with:
           build-args:
             SERVER_ENV=${{ secrets.REACT_APP_SERVER_TYPE_PROD }}