feat(serviceusage): update the API

#### serviceusage:v1beta1

The following keys were added:
- schemas.QuotaBucket.properties.rolloutInfo.$ref
- schemas.QuotaBucket.properties.rolloutInfo.description
- schemas.RolloutInfo.description
- schemas.RolloutInfo.id
- schemas.RolloutInfo.properties.defaultLimitOngoingRollout.description
- schemas.RolloutInfo.properties.defaultLimitOngoingRollout.type
- schemas.RolloutInfo.type

Author: yoshi-automation

discovery/serviceusage-v1beta1.json

@@ -964,7 +964,7 @@
       }
     }
   },
-  "revision": "20240220",
+  "revision": "20240310",
   "rootUrl": "https://serviceusage.googleapis.com/",
   "schemas": {
     "AddEnableRulesMetadata": {
@@ -3662,6 +3662,10 @@
         "producerQuotaPolicy": {
           "$ref": "ProducerQuotaPolicy",
           "description": "Producer policy inherited from the closet ancestor of the current consumer."
+        },
+        "rolloutInfo": {
+          "$ref": "RolloutInfo",
+          "description": "Rollout information of this quota bucket. This field is present only if the effective limit will change due to the ongoing rollout of the service config."
         }
       },
       "type": "object"
@@ -3780,6 +3784,17 @@
       },
       "type": "object"
     },
+    "RolloutInfo": {
+      "description": "[Output only] Rollout information of a quota.",
+      "id": "RolloutInfo",
+      "properties": {
+        "defaultLimitOngoingRollout": {
+          "description": "Whether there is an ongoing rollout for the default limit or not.",
+          "type": "boolean"
+        }
+      },
+      "type": "object"
+    },
     "RubySettings": {
       "description": "Settings for Ruby client libraries.",
       "id": "RubySettings",

src/apis/serviceusage/v1beta1.ts

@@ -1969,6 +1969,10 @@ export namespace serviceusage_v1beta1 {
      * Producer policy inherited from the closet ancestor of the current consumer.
      */
     producerQuotaPolicy?: Schema$ProducerQuotaPolicy;
+    /**
+     * Rollout information of this quota bucket. This field is present only if the effective limit will change due to the ongoing rollout of the service config.
+     */
+    rolloutInfo?: Schema$RolloutInfo;
   }
   /**
    * `QuotaLimit` defines a specific limit that applies over a specified duration for a limit type. There can be at most one limit for a duration and limit type combination defined within a `QuotaGroup`.
@@ -2061,6 +2065,15 @@ export namespace serviceusage_v1beta1 {
      */
     removedValues?: string[] | null;
   }
+  /**
+   * [Output only] Rollout information of a quota.
+   */
+  export interface Schema$RolloutInfo {
+    /**
+     * Whether there is an ongoing rollout for the default limit or not.
+     */
+    defaultLimitOngoingRollout?: boolean | null;
+  }
   /**
    * Settings for Ruby client libraries.
    */