also change env because the manager won't work

Author: clee2000

.github/workflows/build-tutorials.yml

@@ -115,7 +115,7 @@ jobs:
     name: pytorch_tutorial_build_manager
     needs: worker
     runs-on: [self-hosted, linux.2xlarge]
-    environment: pytorchbot-env
+    environment: ${{ github.ref == 'refs/heads/main' && 'pytorchbot-env' || '' }}
     env:
       DOCKER_IMAGE: "308535385114.dkr.ecr.us-east-1.amazonaws.com/pytorch/pytorch-linux-focal-cuda12.1-cudnn8-py3-gcc9"
       CUDA_VERSION: "9"