fix(content): update the API

#### content:v2
The following keys were changed:
- schemas.OrderCancellation.properties.reason.description
- schemas.OrderCustomer.properties.invoiceReceivingEmail.description
- schemas.Product.properties.customAttributes.description

discovery/content-v2.json

@@ -3298,7 +3298,7 @@
       }
     }
   },
-  "revision": "20201104",
+  "revision": "20201113",
   "rootUrl": "https://shoppingcontent.googleapis.com/",
   "schemas": {
     "Account": {
@@ -6007,7 +6007,7 @@
           "type": "integer"
         },
         "reason": {
-          "description": "The reason for the cancellation. Orders that are canceled with a noInventory reason will lead to the removal of the product from Shopping Actions until you make an update to that product. This will not affect your Shopping ads. Acceptable values are: - \"`autoPostInternal`\" - \"`autoPostInvalidBillingAddress`\" - \"`autoPostNoInventory`\" - \"`autoPostPriceError`\" - \"`autoPostUndeliverableShippingAddress`\" - \"`couponAbuse`\" - \"`customerCanceled`\" - \"`customerInitiatedCancel`\" - \"`customerSupportRequested`\" - \"`failToPushOrderGoogleError`\" - \"`failToPushOrderMerchantError`\" - \"`failToPushOrderMerchantFulfillmentError`\" - \"`failToPushOrderToMerchant`\" - \"`failToPushOrderToMerchantOutOfStock`\" - \"`invalidCoupon`\" - \"`malformedShippingAddress`\" - \"`merchantDidNotShipOnTime`\" - \"`noInventory`\" - \"`orderTimeout`\" - \"`other`\" - \"`paymentAbuse`\" - \"`paymentDeclined`\" - \"`priceError`\" - \"`returnRefundAbuse`\" - \"`shippingPriceError`\" - \"`taxError`\" - \"`undeliverableShippingAddress`\" - \"`unsupportedPoBoxAddress`\" ",
+          "description": "The reason for the cancellation. Orders that are canceled with a noInventory reason will lead to the removal of the product from Buy on Google until you make an update to that product. This will not affect your Shopping ads. Acceptable values are: - \"`autoPostInternal`\" - \"`autoPostInvalidBillingAddress`\" - \"`autoPostNoInventory`\" - \"`autoPostPriceError`\" - \"`autoPostUndeliverableShippingAddress`\" - \"`couponAbuse`\" - \"`customerCanceled`\" - \"`customerInitiatedCancel`\" - \"`customerSupportRequested`\" - \"`failToPushOrderGoogleError`\" - \"`failToPushOrderMerchantError`\" - \"`failToPushOrderMerchantFulfillmentError`\" - \"`failToPushOrderToMerchant`\" - \"`failToPushOrderToMerchantOutOfStock`\" - \"`invalidCoupon`\" - \"`malformedShippingAddress`\" - \"`merchantDidNotShipOnTime`\" - \"`noInventory`\" - \"`orderTimeout`\" - \"`other`\" - \"`paymentAbuse`\" - \"`paymentDeclined`\" - \"`priceError`\" - \"`returnRefundAbuse`\" - \"`shippingPriceError`\" - \"`taxError`\" - \"`undeliverableShippingAddress`\" - \"`unsupportedPoBoxAddress`\" ",
           "type": "string"
         },
         "reasonText": {
@@ -6033,7 +6033,7 @@
           "type": "string"
         },
         "invoiceReceivingEmail": {
-          "description": "Email address for the merchant to send value-added tax or invoice documentation of the order. Only the last document sent is made available to the customer. For more information, see About automated VAT invoicing for Shopping Actions.",
+          "description": "Email address for the merchant to send value-added tax or invoice documentation of the order. Only the last document sent is made available to the customer. For more information, see About automated VAT invoicing for Buy on Google.",
           "type": "string"
         },
         "marketingRightsInfo": {
@@ -8624,7 +8624,7 @@
           "description": "Cost of goods sold. Used for gross profit reporting."
         },
         "customAttributes": {
-          "description": "A list of custom (merchant-provided) attributes. It can also be used for submitting any attribute of the feed specification in its generic form (e.g., `{ \"name\": \"size type\", \"value\": \"regular\" }`). This is useful for submitting attributes not explicitly exposed by the API, such as additional attributes used for Shopping Actions.",
+          "description": "A list of custom (merchant-provided) attributes. It can also be used for submitting any attribute of the feed specification in its generic form (e.g., `{ \"name\": \"size type\", \"value\": \"regular\" }`). This is useful for submitting attributes not explicitly exposed by the API, such as additional attributes used for Buy on Google (formerly known as Shopping Actions).",
           "items": {
             "$ref": "CustomAttribute"
           },

src/apis/content/v2.ts

@@ -2156,7 +2156,7 @@ export namespace content_v2 {
      */
     quantity?: number | null;
     /**
-     * The reason for the cancellation. Orders that are canceled with a noInventory reason will lead to the removal of the product from Shopping Actions until you make an update to that product. This will not affect your Shopping ads. Acceptable values are: - "`autoPostInternal`" - "`autoPostInvalidBillingAddress`" - "`autoPostNoInventory`" - "`autoPostPriceError`" - "`autoPostUndeliverableShippingAddress`" - "`couponAbuse`" - "`customerCanceled`" - "`customerInitiatedCancel`" - "`customerSupportRequested`" - "`failToPushOrderGoogleError`" - "`failToPushOrderMerchantError`" - "`failToPushOrderMerchantFulfillmentError`" - "`failToPushOrderToMerchant`" - "`failToPushOrderToMerchantOutOfStock`" - "`invalidCoupon`" - "`malformedShippingAddress`" - "`merchantDidNotShipOnTime`" - "`noInventory`" - "`orderTimeout`" - "`other`" - "`paymentAbuse`" - "`paymentDeclined`" - "`priceError`" - "`returnRefundAbuse`" - "`shippingPriceError`" - "`taxError`" - "`undeliverableShippingAddress`" - "`unsupportedPoBoxAddress`"
+     * The reason for the cancellation. Orders that are canceled with a noInventory reason will lead to the removal of the product from Buy on Google until you make an update to that product. This will not affect your Shopping ads. Acceptable values are: - "`autoPostInternal`" - "`autoPostInvalidBillingAddress`" - "`autoPostNoInventory`" - "`autoPostPriceError`" - "`autoPostUndeliverableShippingAddress`" - "`couponAbuse`" - "`customerCanceled`" - "`customerInitiatedCancel`" - "`customerSupportRequested`" - "`failToPushOrderGoogleError`" - "`failToPushOrderMerchantError`" - "`failToPushOrderMerchantFulfillmentError`" - "`failToPushOrderToMerchant`" - "`failToPushOrderToMerchantOutOfStock`" - "`invalidCoupon`" - "`malformedShippingAddress`" - "`merchantDidNotShipOnTime`" - "`noInventory`" - "`orderTimeout`" - "`other`" - "`paymentAbuse`" - "`paymentDeclined`" - "`priceError`" - "`returnRefundAbuse`" - "`shippingPriceError`" - "`taxError`" - "`undeliverableShippingAddress`" - "`unsupportedPoBoxAddress`"
      */
     reason?: string | null;
     /**
@@ -2178,7 +2178,7 @@ export namespace content_v2 {
      */
     fullName?: string | null;
     /**
-     * Email address for the merchant to send value-added tax or invoice documentation of the order. Only the last document sent is made available to the customer. For more information, see About automated VAT invoicing for Shopping Actions.
+     * Email address for the merchant to send value-added tax or invoice documentation of the order. Only the last document sent is made available to the customer. For more information, see About automated VAT invoicing for Buy on Google.
      */
     invoiceReceivingEmail?: string | null;
     /**
@@ -4211,7 +4211,7 @@ export namespace content_v2 {
      */
     costOfGoodsSold?: Schema$Price;
     /**
-     * A list of custom (merchant-provided) attributes. It can also be used for submitting any attribute of the feed specification in its generic form (e.g., `{ "name": "size type", "value": "regular" \}`). This is useful for submitting attributes not explicitly exposed by the API, such as additional attributes used for Shopping Actions.
+     * A list of custom (merchant-provided) attributes. It can also be used for submitting any attribute of the feed specification in its generic form (e.g., `{ "name": "size type", "value": "regular" \}`). This is useful for submitting attributes not explicitly exposed by the API, such as additional attributes used for Buy on Google (formerly known as Shopping Actions).
      */
     customAttributes?: Schema$CustomAttribute[];
     /**