Add provisioned_throughput to the public documentation for instance template (#14981)

Author: chenir0219

mmv1/third_party/terraform/website/docs/r/compute_instance_template.html.markdown

@@ -444,10 +444,9 @@ The following arguments are supported:
 * `disk_name` - (Optional) Name of the disk. When not provided, this defaults
     to the name of the instance.
 
-* `provisioned_iops` - (Optional) Indicates how many IOPS to provision for the disk. This
-    sets the number of I/O operations per second that the disk can handle.
-    Values must be between 10,000 and 120,000. For more details, see the
-    [Extreme persistent disk documentation](https://cloud.google.com/compute/docs/disks/extreme-persistent-disk).
+* `provisioned_iops` - (Optional) Indicates how many IOPS to provision for the disk. This sets the number of I/O operations per second that the disk can handle. For more details, see the [Extreme persistent disk documentation](https://cloud.google.com/compute/docs/disks/extreme-persistent-disk) or the [Hyperdisk documentation](https://cloud.google.com/compute/docs/disks/hyperdisks) depending on the selected disk_type.
+
+* `provisioned_throughput` - (Optional) Indicates how much throughput to provision for the disk, in MB/s. This sets the amount of data that can be read or written from the disk per second. Values must greater than or equal to 1. For more details, see the [Hyperdisk documentation](https://cloud.google.com/compute/docs/disks/hyperdisks).
 
 * `resource_manager_tags` - (Optional) A set of key/value resource manager tag pairs to bind to this disk. Keys must be in the format tagKeys/{tag_key_id}, and values are in the format tagValues/456.
 

mmv1/third_party/terraform/website/docs/r/compute_region_instance_template.html.markdown

@@ -409,10 +409,9 @@ The following arguments are supported:
 * `disk_name` - (Optional) Name of the disk. When not provided, this defaults
     to the name of the instance.
 
-* `provisioned_iops` - (Optional) Indicates how many IOPS to provision for the disk. This
-    sets the number of I/O operations per second that the disk can handle.
-    Values must be between 10,000 and 120,000. For more details, see the
-    [Extreme persistent disk documentation](https://cloud.google.com/compute/docs/disks/extreme-persistent-disk).
+* `provisioned_iops` - (Optional) Indicates how many IOPS to provision for the disk. This sets the number of I/O operations per second that the disk can handle. For more details, see the [Extreme persistent disk documentation](https://cloud.google.com/compute/docs/disks/extreme-persistent-disk) or the [Hyperdisk documentation](https://cloud.google.com/compute/docs/disks/hyperdisks) depending on the selected disk_type.
+
+* `provisioned_throughput` - (Optional) Indicates how much throughput to provision for the disk, in MB/s. This sets the amount of data that can be read or written from the disk per second. Values must greater than or equal to 1. For more details, see the [Hyperdisk documentation](https://cloud.google.com/compute/docs/disks/hyperdisks).
 
 * `resource_manager_tags` - (Optional) A set of key/value resource manager tag pairs to bind to this disk. Keys must be in the format tagKeys/{tag_key_id}, and values are in the format tagValues/456.