update actions/checkout to v6 and actions/github-script to v8

Author: rongxin-liu

.github/workflows/main.yml

@@ -3,7 +3,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Install dependencies
       run: |
         sudo apt-get install -y rpm
@@ -39,7 +39,7 @@ jobs:
 
     - name: Create Release
       if: ${{ github.ref == 'refs/heads/main' }}
-      uses: actions/github-script@v7
+      uses: actions/github-script@v8
       with:
         github-token: ${{ github.token }}
         script: |