Add forbidPartialDelivery option to the Narrowcast Limit Object (#114)

## Add forbidPartialDelivery option to the Narrowcast Limit Object

We add a new `forbidPartialDelivery` option to the Narrowcast Limit
Object.

When set to true, this option prevents messages from being delivered to
only a subset of the target audience.
If partial delivery occurs, the narrowcast request will succeed but fail
asynchronously.
You can verify whether the message delivery was canceled by checking the
narrowcast message progress.

This property can only be set to true when upToRemainingQuota is also
true.

For more details, see the
https://developers.line.biz/en/news/2025/10/21/narrowcast-message-update/.

### Example:
```json
{
  "max": 100,
  "upToRemainingQuota": true,
  "forbidPartialDelivery": true
}
```

Author: habara-k

messaging-api.yml

@@ -2837,6 +2837,15 @@ components:
             If true, the message will be sent within the maximum number of deliverable messages. The default value is `false`.
 
             Targets will be selected at random.
+        forbidPartialDelivery:
+          type: boolean
+          default: false
+          description: |+
+            This option prevents messages from being delivered to only a subset of the target audience.
+            If true, the narrowcast request success but fails asynchronously.
+            You can check whether message delivery was canceled by retrieving the narrowcast message progress.
+
+            This property can be set to true only if upToRemainingQuota is set to true.
     NarrowcastProgressResponse:
       externalDocs:
         url: https://developers.line.biz/en/reference/messaging-api/#get-narrowcast-progress-status
@@ -2885,6 +2894,7 @@ components:
             `2`: An error occurred because there weren't enough recipients.
             `3`: A conflict error of requests occurs because a request that has already been accepted is retried.
             `4`: An audience of less than 50 recipients is included as a condition of sending.
+            `5`: Message delivery has been canceled to prevent messages from being delivered only to a subset of the target audience.
         acceptedTime:
           type: string
           format: date-time