Update main.yml

use the specific runner

Author: DMGithubPublisher

.github/workflows/main.yml

@@ -14,7 +14,7 @@ jobs:
     if: ${{ github.ref == 'refs/heads/2025_Nov_re-structure' }}    
 
     # The type of runner that the job will run on
-    runs-on: self-hosted
+    runs-on: [self-hosted, sample-upload]
     env:
       ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true