chore: update main.yml (#678)

Author: bluebill1049

.github/workflows/main.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup pnpm
         uses: pnpm/action-setup@v2