Regen code and docs

Author: chrissng

modules/beta-private-cluster-update-variant/README.md

@@ -192,6 +192,7 @@ In either case, upgrading to module version `v1.0.0` will trigger a recreation o
 | region | The region to host the cluster in (optional if zonal cluster / required if regional) | string | `"null"` | no |
 | regional | Whether is a regional cluster (zonal cluster if set false. WARNING: changing this after cluster creation is destructive!) | bool | `"true"` | no |
 | registry\_project\_id | Project holding the Google Container Registry. If empty, we use the cluster project. If grant_registry_access is true, storage.objectViewer role is assigned on this project. | string | `""` | no |
+| release\_channel | (Beta) The release channel of this cluster. Accepted values are `UNSPECIFIED`, `RAPID`, `REGULAR` and `STABLE`. Defaults to `UNSPECIFIED`. | string | `"UNSPECIFIED"` | no |
 | remove\_default\_node\_pool | Remove default node pool while setting up the cluster | bool | `"false"` | no |
 | resource\_usage\_export\_dataset\_id | The dataset id for which network egress metering for this cluster will be enabled. If enabled, a daemonset will be created in the cluster to meter network egress traffic. | string | `""` | no |
 | sandbox\_enabled | (Beta) Enable GKE Sandbox (Do not forget to set `image_type` = `COS_CONTAINERD` and `node_version` = `1.12.7-gke.17` or later to use it). | bool | `"false"` | no |

scripts/wait-for-cluster.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Copyright 2018 Google LLC
+# Copyright 2019 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.