Update actions/checkout and actions/setup-python versions in workflow

Author: rongxin-liu

.github/workflows/main.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-2404-64-cores-amd
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -25,7 +25,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"