fix(vision): update the API

#### vision:v1

The following keys were changed:
- resources.operations.methods.list.parameters.returnPartialSuccess.description
- schemas.ListOperationsResponse.properties.unreachable.description

Author: yoshi-automation

discovery/vision-v1.json

@@ -342,7 +342,7 @@
               "type": "string"
             },
             "returnPartialSuccess": {
-              "description": "When set to `true`, operations that are reachable are returned as normal, and those that are unreachable are returned in the [ListOperationsResponse.unreachable] field. This can only be `true` when reading across collections e.g. when `parent` is set to `\"projects/example/locations/-\"`. This field is not by default supported and will result in an `UNIMPLEMENTED` error if set unless explicitly documented otherwise in service or product specific documentation.",
+              "description": "When set to `true`, operations that are reachable are returned as normal, and those that are unreachable are returned in the ListOperationsResponse.unreachable field. This can only be `true` when reading across collections. For example, when `parent` is set to `\"projects/example/locations/-\"`. This field is not supported by default and will result in an `UNIMPLEMENTED` error if set unless explicitly documented otherwise in service or product specific documentation.",
               "location": "query",
               "type": "boolean"
             }
@@ -1287,7 +1287,7 @@
       }
     }
   },
-  "revision": "20251003",
+  "revision": "20251120",
   "rootUrl": "https://vision.googleapis.com/",
   "schemas": {
     "AddProductToProductSetRequest": {
@@ -8467,7 +8467,7 @@
           "type": "array"
         },
         "unreachable": {
-          "description": "Unordered list. Unreachable resources. Populated when the request sets `ListOperationsRequest.return_partial_success` and reads across collections e.g. when attempting to list all resources across all supported locations.",
+          "description": "Unordered list. Unreachable resources. Populated when the request sets `ListOperationsRequest.return_partial_success` and reads across collections. For example, when attempting to list all resources across all supported locations.",
           "items": {
             "type": "string"
           },