kind get kubeconfig-path throws an error

Following the instructions / running the bash script an error is thrown when this instruction is called:
```bash
~/dev/kube-goat/deploy/kind> kind get kubeconfig-path
ERROR: unknown command "kubeconfig-path" for "kind get"
```
The correct command should be:
```bash
 ~/dev/kube-goat/deploy/kind> kind get kubeconfig --name "kubegoat"
```