Merge pull request #20396 from quantivfy/nickQuant-codespaces-ml-jsonfix-1

JSON code sample fix

content/codespaces/developing-in-codespaces/getting-started-with-github-codespaces-for-machine-learning.md

@@ -75,7 +75,7 @@ Some software, such as TensorFlow, requires you to install NVIDIA CUDA to use yo
 1. Add a top-level `features` object with the following contents:
 
    ```json{:copy}
-     “features”: {
+     "features": {
        "ghcr.io/devcontainers/features/nvidia-cuda:1": { 
          "installCudnn": true
        }
@@ -96,7 +96,7 @@ Some software, such as TensorFlow, requires you to install NVIDIA CUDA to use yo
          ]
        }
      },
-     “features”: {
+     "features": {
        "ghcr.io/devcontainers/features/nvidia-cuda:1": { 
          "installCudnn": true
        }