feat: added update for subscriptions settings (#923)

src/endpoints/settings.js

@@ -45,6 +45,10 @@ class Settings {
     return this.request.send(`${this.endpoint}/subscriptions`, 'GET')
   }
 
+  UpdateSubscriptions(body) {
+    return this.request.send(`${this.endpoint}/subscriptions`, 'PUT', body)
+  }
+
   Promotions() {
     return this.request.send(`${this.endpoint}/promotions`, 'GET')
   }

src/types/settings.d.ts

@@ -115,6 +115,12 @@ export interface SettingsEndpoint {
    */
   Subscriptions(): Promise<Resource<SubscriptionSettings>>
 
+  /**
+   * Update Subscriptions Settings
+   * Description: You can update the Subscriptions Settings using this endpoint
+   */
+  UpdateSubscriptions(body: SubscriptionSettings): Promise<Resource<SubscriptionSettings>>
+
   /**
    * Get Promotions Settings
    * Description: You can get the Promotions Settings using this endpoint