fix: add data_wo_version

Author: estellesoulard

docs/resources/secret_version.md

@@ -38,7 +38,8 @@ The following arguments are supported:
 
 - `secret_id` - (Required) The ID of the secret associated with the version.
 - `data` - (Optional) The data payload of the secret version. Must not exceed 64KiB in size (e.g. `my-secret-version-payload`). Only one of `data` or `data_wo` should be specified. Find out more on the [data section](/#data-information).
-- `data_wo` - (Optional) The data payload of the secret version. Must not exceed 64KiB in size (e.g. `my-secret-version-payload`).  Only one of `data` or `data_wo` should be specified. `data_wo` will not be set in the Terraform state. Find out more on the [data section](/#data-information).
+- `data_wo` - (Optional) The data payload of your secret version in [write-only](https://developer.hashicorp.com/terraform/language/manage-sensitive-data/write-only) mode. Must not exceed 64KiB in size (e.g. `my-secret-version-payload`). Only one of `data` or `data_wo` should be specified. `data_wo` will not be set in the Terraform state. To update the `data_wo`, you must also update the `data_wo_version`. Find out more on the [data section](/#data-information).
+- `data_wo_version` - (Optional) The version of the [write-only](https://developer.hashicorp.com/terraform/language/manage-sensitive-data/write-only) data. To update the `data_wo`, you must also update the `data_wo_version`.
 - `description` - (Optional) Description of the secret version (e.g. `my-new-description`).
 - `region` - (Defaults to the region specified in the [provider configuration](../index.md#region)). The [region](../guides/regions_and_zones.md#regions) where the resource exists.