feat: add throughput_mode to UpdateDatabaseDdlRequest to be used by Spanner Migration Tool. See https://github.com/GoogleCloudPlatform/spanner-migration-tool (#2304)

* feat: add throughput_mode to UpdateDatabaseDdlRequest to be used by Spanner Migration Tool. See https://github.com/GoogleCloudPlatform/spanner-migration-tool PiperOrigin-RevId: 759735605 Source-Link: googleapis/googleapis@cbc536a Source-Link: googleapis/googleapis-gen@a5d1878 Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYTVkMTg3OGY0ZjBiZjAxZWI5ZTg4YzBjOGMxNjkyYTIzOGZlNmU0YyJ9 * 🦉 Updates from OwlBot post-processor See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md --------- Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: gcf-owl-bot[bot]

protos/google/spanner/admin/database/v1/spanner_database_admin.proto

@@ -813,6 +813,11 @@ message UpdateDatabaseDdlRequest {
  // For more details, see protobuffer [self
  // description](https://developers.google.com/protocol-buffers/docs/techniques#self-description).
  bytes proto_descriptors = 4 [(google.api.field_behavior) = OPTIONAL];
+
+ // Optional. This field is exposed to be used by the Spanner Migration Tool.
+ // For more details, see
+ // [SMT](https://github.com/GoogleCloudPlatform/spanner-migration-tool).
+ bool throughput_mode = 5 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Action information extracted from a DDL statement. This proto is used to

protos/protos.d.ts

@@ -2814,6 +2814,10 @@ export class DatabaseAdminClient {
  * ```
  * For more details, see protobuffer [self
  * description](https://developers.google.com/protocol-buffers/docs/techniques#self-description).
+ * @param {boolean} [request.throughputMode]
+ * Optional. This field is exposed to be used by the Spanner Migration Tool.
+ * For more details, see
+ * [SMT](https://github.com/GoogleCloudPlatform/spanner-migration-tool).
  * @param {object} [options]
  * Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
  * @returns {Promise} - The promise which resolves to an array.