fix(paymentsresellersubscription): update the API

#### paymentsresellersubscription:v1

The following keys were changed:
- schemas.GoogleCloudPaymentsResellerSubscriptionV1Subscription.properties.products.description
- schemas.GoogleCloudPaymentsResellerSubscriptionV1Subscription.properties.promotions.description

Author: yoshi-automation

discovery/paymentsresellersubscription-v1.json

@@ -366,7 +366,7 @@
       }
     }
   },
-  "revision": "20211116",
+  "revision": "20220311",
   "rootUrl": "https://paymentsresellersubscription.googleapis.com/",
   "schemas": {
     "GoogleCloudPaymentsResellerSubscriptionV1CancelSubscriptionRequest": {
@@ -744,14 +744,14 @@
           "type": "string"
         },
         "products": {
-          "description": "Required. Resource name that identifies one or more subscription products. The format will be 'partners/{partner_id}/products/{product_id}'.",
+          "description": "Required. Required. Resource name that identifies the purchased products. The format will be 'partners/{partner_id}/products/{product_id}'.",
           "items": {
             "type": "string"
           },
           "type": "array"
         },
         "promotions": {
-          "description": "Optional. Resource name that identifies one or more promotions that can be applied on the product. A typical promotion for a subscription is Free trial. The format will be 'partners/{partner_id}/promotions/{promotion_id}'.",
+          "description": "Optional. Optional. Resource name that identifies one or more promotions that can be applied on the product. A typical promotion for a subscription is Free trial. The format will be 'partners/{partner_id}/promotions/{promotion_id}'.",
           "items": {
             "type": "string"
           },

src/apis/paymentsresellersubscription/v1.ts

@@ -354,11 +354,11 @@ export namespace paymentsresellersubscription_v1 {
      */
     processingState?: string | null;
     /**
-     * Required. Resource name that identifies one or more subscription products. The format will be 'partners/{partner_id\}/products/{product_id\}'.
+     * Required. Required. Resource name that identifies the purchased products. The format will be 'partners/{partner_id\}/products/{product_id\}'.
      */
     products?: string[] | null;
     /**
-     * Optional. Resource name that identifies one or more promotions that can be applied on the product. A typical promotion for a subscription is Free trial. The format will be 'partners/{partner_id\}/promotions/{promotion_id\}'.
+     * Optional. Optional. Resource name that identifies one or more promotions that can be applied on the product. A typical promotion for a subscription is Free trial. The format will be 'partners/{partner_id\}/promotions/{promotion_id\}'.
      */
     promotions?: string[] | null;
     /**