feat(walletobjects): update the API

#### walletobjects:v1

The following keys were added:
- schemas.Image.properties.privateImageId.description
- schemas.Image.properties.privateImageId.type
- schemas.UploadPrivateImageRequest.description
- schemas.UploadPrivateImageRequest.id
- schemas.UploadPrivateImageRequest.type
- schemas.UploadPrivateImageResponse.description
- schemas.UploadPrivateImageResponse.id
- schemas.UploadPrivateImageResponse.properties.privateImageId.description
- schemas.UploadPrivateImageResponse.properties.privateImageId.type
- schemas.UploadPrivateImageResponse.type

The following keys were changed:
- schemas.Image.properties.sourceUri.description

Author: yoshi-automation

discovery/walletobjects-v1.json

@@ -2711,7 +2711,7 @@
       }
     }
   },
-  "revision": "20250506",
+  "revision": "20250804",
   "rootUrl": "https://walletobjects.googleapis.com/",
   "schemas": {
     "ActivationOptions": {
@@ -6206,9 +6206,13 @@
           "description": "Identifies what kind of resource this is. Value: the fixed string `\"walletobjects#image\"`.",
           "type": "string"
         },
+        "privateImageId": {
+          "description": "An ID for an already uploaded private image. Either this or source_uri should be set. Requests setting both or neither will be rejected. Please contact support to use private images.",
+          "type": "string"
+        },
         "sourceUri": {
           "$ref": "ImageUri",
-          "description": "The URI for the image."
+          "description": "A URI for the image. Either this or private_image_id should be set. Requests setting both or neither will be rejected."
         }
       },
       "type": "object"
@@ -9747,6 +9751,23 @@
       },
       "type": "object"
     },
+    "UploadPrivateImageRequest": {
+      "description": "Request to upload a private image to use in a pass.",
+      "id": "UploadPrivateImageRequest",
+      "properties": {},
+      "type": "object"
+    },
+    "UploadPrivateImageResponse": {
+      "description": "Response for uploading the private image.",
+      "id": "UploadPrivateImageResponse",
+      "properties": {
+        "privateImageId": {
+          "description": "Unique ID of the uploaded image to be referenced later in Image.private_image_id.",
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "Uri": {
       "id": "Uri",
       "properties": {

src/apis/walletobjects/v1.ts

@@ -2161,7 +2161,11 @@ export namespace walletobjects_v1 {
      */
     kind?: string | null;
     /**
-     * The URI for the image.
+     * An ID for an already uploaded private image. Either this or source_uri should be set. Requests setting both or neither will be rejected. Please contact support to use private images.
+     */
+    privateImageId?: string | null;
+    /**
+     * A URI for the image. Either this or private_image_id should be set. Requests setting both or neither will be rejected.
      */
     sourceUri?: Schema$ImageUri;
   }
@@ -4278,6 +4282,19 @@ export namespace walletobjects_v1 {
      */
     enableNotification?: boolean | null;
   }
+  /**
+   * Request to upload a private image to use in a pass.
+   */
+  export interface Schema$UploadPrivateImageRequest {}
+  /**
+   * Response for uploading the private image.
+   */
+  export interface Schema$UploadPrivateImageResponse {
+    /**
+     * Unique ID of the uploaded image to be referenced later in Image.private_image_id.
+     */
+    privateImageId?: string | null;
+  }
   export interface Schema$Uri {
     /**
      * The URI's title appearing in the app as text. Recommended maximum is 20 characters to ensure full string is displayed on smaller screens. Note that in some contexts this text is not used, such as when `description` is part of an image.