fix gcp zone example value which used invalid naming pattern
MODIFY
gcp-ts-gke/README.md
gcp-ts-gke/README.md
@@ -30,7 +30,7 @@ After cloning this repo, `cd` into it and run these commands. A GKE Kubernetes c
```bash
$ pulumi config set gcp:project [your-gcp-project-here]
- $ pulumi config set gcp:zone us-west-1a # any valid GCP zone here
+ $ pulumi config set gcp:zone us-west1-a # any valid GCP zone here
$ pulumi config set password --secret [your-cluster-password-here]
```

fix gcp zone example value which used invalid naming pattern (#160)