Bump actions/checkout to v4 in benchmark.yml

Author: lyzlisa

.github/workflows/benchmark.yml

@@ -17,7 +17,7 @@ jobs:
       NPM_CONFIG_UNSAFE_PERM: true
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - uses: actions/setup-node@v4
         with: