feat(versionhistory): update the API

#### versionhistory:v1

The following keys were added:
- schemas.Release.properties.rolloutData.description
- schemas.Release.properties.rolloutData.items.$ref
- schemas.Release.properties.rolloutData.type
- schemas.RolloutData.description
- schemas.RolloutData.id
- schemas.RolloutData.properties.rolloutName.description
- schemas.RolloutData.properties.rolloutName.type
- schemas.RolloutData.properties.tag.description
- schemas.RolloutData.properties.tag.items.type
- schemas.RolloutData.properties.tag.type
- schemas.RolloutData.type

Author: yoshi-automation

discovery/versionhistory-v1.json

@@ -271,7 +271,7 @@
       }
     }
   },
-  "revision": "20250601",
+  "revision": "20250810",
   "rootUrl": "https://versionhistory.googleapis.com/",
   "schemas": {
     "Channel": {
@@ -475,6 +475,13 @@
           "description": "Whether or not the release was available for version pinning.",
           "type": "boolean"
         },
+        "rolloutData": {
+          "description": "Rollout-related metadata. Some releases are part of one or more A/B rollouts. This field contains the names and data describing this release's role in any rollouts.",
+          "items": {
+            "$ref": "RolloutData"
+          },
+          "type": "array"
+        },
         "serving": {
           "$ref": "Interval",
           "description": "Timestamp interval of when the release was live. If end_time is unspecified, the release is currently live."
@@ -486,6 +493,24 @@
       },
       "type": "object"
     },
+    "RolloutData": {
+      "description": "Rollout-related metadata for a release.",
+      "id": "RolloutData",
+      "properties": {
+        "rolloutName": {
+          "description": "The name of the rollout.",
+          "type": "string"
+        },
+        "tag": {
+          "description": "Tags associated with a release's role in a rollout. Most rollouts will have at least one release with a \"rollout\" tag and another release with a \"control\" tag. Some rollouts may have additional named arms.",
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        }
+      },
+      "type": "object"
+    },
     "Version": {
       "description": "Each Version is owned by a Channel. A Version only displays the Version number (e.g. 84.0.4147.38). A Version owns a collection of releases.",
       "id": "Version",

src/apis/versionhistory/v1.ts

@@ -235,6 +235,10 @@ export namespace versionhistory_v1 {
      * Whether or not the release was available for version pinning.
      */
     pinnable?: boolean | null;
+    /**
+     * Rollout-related metadata. Some releases are part of one or more A/B rollouts. This field contains the names and data describing this release's role in any rollouts.
+     */
+    rolloutData?: Schema$RolloutData[];
     /**
      * Timestamp interval of when the release was live. If end_time is unspecified, the release is currently live.
      */
@@ -244,6 +248,19 @@ export namespace versionhistory_v1 {
      */
     version?: string | null;
   }
+  /**
+   * Rollout-related metadata for a release.
+   */
+  export interface Schema$RolloutData {
+    /**
+     * The name of the rollout.
+     */
+    rolloutName?: string | null;
+    /**
+     * Tags associated with a release's role in a rollout. Most rollouts will have at least one release with a "rollout" tag and another release with a "control" tag. Some rollouts may have additional named arms.
+     */
+    tag?: string[] | null;
+  }
   /**
    * Each Version is owned by a Channel. A Version only displays the Version number (e.g. 84.0.4147.38). A Version owns a collection of releases.
    */