[Bug]: Editing Model is not available

### File Name

vision/getting-started/imagen3_editing.ipynb

### What happened?

Edit model is not available:
```
edit_model = "imagen-3.0-capability-001"
```

### Relevant log output

```shell
code:

edit_model = "imagen-3.0-capability-001"

output:

ClientError: 404 NOT_FOUND. {'error': {'code': 404, 'message': 'Image editing failed with the following error: imagen-3.0-capability-001 is unavailable.', 'status': 'NOT_FOUND'}}
```

### Code of Conduct

- [x] I agree to follow this project's Code of Conduct