Create sandbox for JulienGiguere

[github-actions[bot]]

@JulienGiguere. Once this PR is merged, you will be able to login to your sandbox by following these steps:

1. Go to https://cedille.omni.siderolabs.io/cluster/cedille-cluster/overview, click "Download kubeconfig" and put that file as ~/.kube/config
2. Install vcluster on your computer: https://www.vcluster.com/docs/getting-started/setup
3. run vcluster connect vcluster-sandbox -n JulienGiguere-vcluster-sandbox
4. Start using kubectl to play around!