fix(merchantapi): update the API

#### merchantapi:products_v1

The following keys were changed:
- schemas.ProductAttributes.properties.subscriptionCost.description
- schemas.SubscriptionCost.properties.period.description
- schemas.SubscriptionCost.properties.period.enum
- schemas.SubscriptionCost.properties.period.enumDescriptions

#### merchantapi:products_v1beta

The following keys were changed:
- schemas.Attributes.properties.subscriptionCost.description
- schemas.SubscriptionCost.properties.period.description
- schemas.SubscriptionCost.properties.period.enum
- schemas.SubscriptionCost.properties.period.enumDescriptions

Author: yoshi-automation

discovery/merchantapi-products_v1.json

@@ -281,7 +281,7 @@
       }
     }
   },
-  "revision": "20251118",
+  "revision": "20251207",
   "rootUrl": "https://merchantapi.googleapis.com/",
   "schemas": {
     "AutomatedDiscounts": {
@@ -1808,7 +1808,7 @@
         },
         "subscriptionCost": {
           "$ref": "SubscriptionCost",
-          "description": "Number of periods (months or years) and amount of payment per period for an item with an associated subscription contract."
+          "description": "Number of periods (weeks, months or years) and amount of payment per period for an item with an associated subscription contract."
         },
         "sustainabilityIncentives": {
           "description": "The list of sustainability incentive programs.",
@@ -2414,16 +2414,18 @@
           "description": "The amount the buyer has to pay per subscription period."
         },
         "period": {
-          "description": "The type of subscription period. Supported values are: * \"`month`\" * \"`year`\"",
+          "description": "The type of subscription period. Supported values are: * \"`month`\" * \"`year`\" * \"`week`\"",
           "enum": [
             "SUBSCRIPTION_PERIOD_UNSPECIFIED",
             "MONTH",
-            "YEAR"
+            "YEAR",
+            "WEEK"
           ],
           "enumDescriptions": [
             "Indicates that the subscription period is unspecified.",
             "Indicates that the subscription period is month.",
-            "Indicates that the subscription period is year."
+            "Indicates that the subscription period is year.",
+            "Indicates that the subscription period is week."
           ],
           "type": "string"
         },

discovery/merchantapi-products_v1beta.json

@@ -281,7 +281,7 @@
       }
     }
   },
-  "revision": "20251118",
+  "revision": "20251207",
   "rootUrl": "https://merchantapi.googleapis.com/",
   "schemas": {
     "Attributes": {
@@ -700,7 +700,7 @@
         },
         "subscriptionCost": {
           "$ref": "SubscriptionCost",
-          "description": "Number of periods (months or years) and amount of payment per period for an item with an associated subscription contract."
+          "description": "Number of periods (weeks, months or years) and amount of payment per period for an item with an associated subscription contract."
         },
         "sustainabilityIncentives": {
           "description": "The list of sustainability incentive programs.",
@@ -1765,16 +1765,18 @@
           "description": "The amount the buyer has to pay per subscription period."
         },
         "period": {
-          "description": "The type of subscription period. Supported values are: * \"`month`\" * \"`year`\"",
+          "description": "The type of subscription period. Supported values are: * \"`month`\" * \"`year`\" * \"`week`\"",
           "enum": [
             "SUBSCRIPTION_PERIOD_UNSPECIFIED",
             "MONTH",
-            "YEAR"
+            "YEAR",
+            "WEEK"
           ],
           "enumDescriptions": [
             "Indicates that the subscription period is unspecified.",
             "Indicates that the subscription period is month.",
-            "Indicates that the subscription period is year."
+            "Indicates that the subscription period is year.",
+            "Indicates that the subscription period is week."
           ],
           "type": "string"
         },

src/apis/merchantapi/products_v1.ts

@@ -851,7 +851,7 @@ export namespace merchantapi_products_v1 {
      */
     structuredTitle?: Schema$StructuredTitle;
     /**
-     * Number of periods (months or years) and amount of payment per period for an item with an associated subscription contract.
+     * Number of periods (weeks, months or years) and amount of payment per period for an item with an associated subscription contract.
      */
     subscriptionCost?: Schema$SubscriptionCost;
     /**
@@ -1240,7 +1240,7 @@ export namespace merchantapi_products_v1 {
      */
     amount?: Schema$Price;
     /**
-     * The type of subscription period. Supported values are: * "`month`" * "`year`"
+     * The type of subscription period. Supported values are: * "`month`" * "`year`" * "`week`"
      */
     period?: string | null;
     /**

src/apis/merchantapi/products_v1beta.ts

@@ -473,7 +473,7 @@ export namespace merchantapi_products_v1beta {
      */
     structuredTitle?: Schema$ProductStructuredTitle;
     /**
-     * Number of periods (months or years) and amount of payment per period for an item with an associated subscription contract.
+     * Number of periods (weeks, months or years) and amount of payment per period for an item with an associated subscription contract.
      */
     subscriptionCost?: Schema$SubscriptionCost;
     /**
@@ -1145,7 +1145,7 @@ export namespace merchantapi_products_v1beta {
      */
     amount?: Schema$Price;
     /**
-     * The type of subscription period. Supported values are: * "`month`" * "`year`"
+     * The type of subscription period. Supported values are: * "`month`" * "`year`" * "`week`"
      */
     period?: string | null;
     /**