docs: fix zone names in gcp docs

Author: ianaya89

docs/data-sources/env_gcp.md

@@ -69,7 +69,7 @@ Bring Your Own Cloud (BYOC) GCP environment data source.
 - `spec_revision` (Number) Spec revision
 - `zones` (List of String) Explicit list of GCP zones. At least 2 required.
 		Examples:
-		- ["us-west1a", "us-west1b"]
+		- ["us-west1-a", "us-west1-b"]
 
 <a id="nestedatt--load_balancers"></a>
 ### Nested Schema for `load_balancers`

docs/resources/env_gcp.md

@@ -134,7 +134,7 @@ data "altinitycloud_env_gcp_status" "this" {
 - `skip_deprovision_on_destroy` (Boolean) Set to `true` will delete without waiting for environment deprovisioning. Use this with precaution, it may end up with dangling resources in your cloud provider (default `false`).
 - `zones` (List of String) Explicit list of GCP zones. At least 2 required.
 		Examples:
-		- ["us-west1a", "us-west1b"]
+		- ["us-west1-a", "us-west1-b"]
 
 ### Read-Only
 
@@ -362,7 +362,7 @@ data "altinitycloud_env_gcp_status" "this" {
 - `skip_deprovision_on_destroy` (Boolean) Set to `true` will delete without waiting for environment deprovisioning. Use this with precaution, it may end up with dangling resources in your cloud provider (default `false`).
 - `zones` (List of String) Explicit list of GCP zones. At least 2 required.
 		Examples:
-		- ["us-west1a", "us-west1b"]
+		- ["us-west1-a", "us-west1-b"]
 
 ### Read-Only
 

internal/provider/common/docs.go

@@ -150,7 +150,7 @@ const GCP_REGION_DESCRIPTION = `GCP region ([docs](https://cloud.google.com/abou
 `
 const GCP_ZONES_DESCRIPTION = `Explicit list of GCP zones. At least 2 required.
 		Examples:
-		- ["us-west1a", "us-west1b"]
+		- ["us-west1-a", "us-west1-b"]
 `
 const GCP_NODE_GROUP_NODE_TYPE_DESCRIPTION = `Machine type ([docs](https://cloud.google.com/compute/docs/machine-resource)).