`example-get-started-experiments`: redeploy to same endpoint

The model deployment action [breaks](https://github.com/iterative/example-get-started-experiments/actions/runs/6340463389/job/17221935529) when we redeploy the repo because the endpoint already exists with the same name from the old repo, and it looks like aws has [no easy solution](https://github.com/aws/sagemaker-python-sdk/issues/101) for updating an existing endpoint. Not critical since we don't use the endpoint now, but it makes the model deploy action look broken.