feat(alloydb): update the API

#### alloydb:v1beta

The following keys were added:
- schemas.StorageDatabasecenterPartnerapiV1mainAvailabilityConfiguration.properties.automaticFailoverRoutingConfigured.description
- schemas.StorageDatabasecenterPartnerapiV1mainAvailabilityConfiguration.properties.automaticFailoverRoutingConfigured.type
- schemas.User.properties.keepExtraRoles.description
- schemas.User.properties.keepExtraRoles.type

Author: yoshi-automation

discovery/alloydb-v1beta.json

@@ -1486,7 +1486,7 @@
       }
     }
   },
-  "revision": "20240806",
+  "revision": "20240823",
   "rootUrl": "https://alloydb.googleapis.com/",
   "schemas": {
     "AuthorizedNetwork": {
@@ -3437,6 +3437,10 @@
       "description": "Configuration for availability of database instance",
       "id": "StorageDatabasecenterPartnerapiV1mainAvailabilityConfiguration",
       "properties": {
+        "automaticFailoverRoutingConfigured": {
+          "description": "Checks for existence of (multi-cluster) routing configuration that allows automatic failover to a different zone/region in case of an outage. Applicable to Bigtable resources.",
+          "type": "boolean"
+        },
         "availabilityType": {
           "description": "Availability type. Potential values: * `ZONAL`: The instance serves data from only one zone. Outages in that zone affect data accessibility. * `REGIONAL`: The instance can serve data from more than one zone in a region (it is highly available).",
           "enum": [
@@ -5028,6 +5032,10 @@
           },
           "type": "array"
         },
+        "keepExtraRoles": {
+          "description": "Input only. If the user already exists and it has additional roles, keep them granted.",
+          "type": "boolean"
+        },
         "name": {
           "description": "Output only. Name of the resource in the form of projects/{project}/locations/{location}/cluster/{cluster}/users/{user}.",
           "readOnly": true,

src/apis/alloydb/v1beta.ts

@@ -1362,6 +1362,10 @@ export namespace alloydb_v1beta {
    * Configuration for availability of database instance
    */
   export interface Schema$StorageDatabasecenterPartnerapiV1mainAvailabilityConfiguration {
+    /**
+     * Checks for existence of (multi-cluster) routing configuration that allows automatic failover to a different zone/region in case of an outage. Applicable to Bigtable resources.
+     */
+    automaticFailoverRoutingConfigured?: boolean | null;
     /**
      * Availability type. Potential values: * `ZONAL`: The instance serves data from only one zone. Outages in that zone affect data accessibility. * `REGIONAL`: The instance can serve data from more than one zone in a region (it is highly available).
      */
@@ -1900,6 +1904,10 @@ export namespace alloydb_v1beta {
      * Optional. List of database roles this user has. The database role strings are subject to the PostgreSQL naming conventions.
      */
     databaseRoles?: string[] | null;
+    /**
+     * Input only. If the user already exists and it has additional roles, keep them granted.
+     */
+    keepExtraRoles?: boolean | null;
     /**
      * Output only. Name of the resource in the form of projects/{project\}/locations/{location\}/cluster/{cluster\}/users/{user\}.
      */