Add support for parameter manager parameter version render datasource…

… `google_parameter_manager_parameter_version_render` (#12674) (#21104)

[upstream:a1649f7f7bfc690d638451a8dc32394d18082933]

Signed-off-by: Modular Magician <magic-modules@google.com>

.changelog/12674.txt

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+```release-note:new-datasource
+`google_parameter_manager_parameter_version_render`
+```

google/services/parametermanager/data_source_parameter_manager_parameter_version_render.go

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+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+package parametermanager

google/services/parametermanager/data_source_parameter_manager_parameter_version_render_test.go

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+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+package parametermanager_test

website/docs/d/parameter_manager_parameter_version_render.html.markdown

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+---
+subcategory: "Parameter Manager"
+description: |-
+  Get information about an Parameter Manager Parameter Version Render
+---
+
+# google_parameter_manager_parameter_version_render
+
+Get the value and metadata from a Parameter Manager Parameter version with render payload data. For this datasource to work as expected, the principal of the parameter must be provided with the [Secret Manager Secret Accessor](https://cloud.google.com/secret-manager/docs/access-control#secretmanager.secretAccessor) role. For more information see the [official documentation](https://cloud.google.com/secret-manager/parameter-manager/docs/overview)  and [API](https://cloud.google.com/secret-manager/parameter-manager/docs/reference/rest/v1/projects.locations.parameters.versions/render).
+
+~> **Warning:** This datasource is in beta, and should be used with the terraform-provider-google-beta provider.
+See [Provider Versions](https://terraform.io/docs/providers/google/guides/provider_versions.html) for more details on beta datasources.
+
+## Example Usage
+
+```hcl
+data "google_parameter_manager_parameter_version_render" "basic" {
+  parameter            = "test-parameter"
+  parameter_version_id = "test-parameter-version"
+}
+```
+
+## Argument Reference
+
+The following arguments are supported:
+
+* `project` - (Optional) The project for retrieving the Parameter Version. If it's not specified, 
+    the provider project will be used.
+
+* `parameter` - (Required) The Parameter for obtaining the Parameter Version.
+    This can be either the reference of the parameter as in `projects/{{project}}/locations/global/parameters/{{parameter_id}}` or only the name of the parameter as in `{{parameter_id}}`.
+
+* `parameter_version_id` - (Required) The version of the parameter to get.
+
+## Attributes Reference
+
+The following attributes are exported:
+
+* `parameter_data` - The Parameter data.
+
+* `render_parameter_data` - The Rendered Parameter Data specifies that if you use `__REF__()` to reference a secret and the format is JSON or YAML, the placeholder `__REF__()` will be replaced with the actual secret value. However, if the format is UNFORMATTED, it will stay the same as the original `parameter_data`.
+
+* `name` - The resource name of the ParameterVersion. Format:
+  `projects/{{project}}/locations/global/parameters/{{parameter_id}}/versions/{{parameter_version_id}}`
+
+* `disabled` -  The current state of the Parameter Version.