feat(merchantapi): update the API

#### merchantapi:datasources_v1

The following keys were changed:
- schemas.SupplementalProductDataSource.description

#### merchantapi:datasources_v1beta

The following keys were changed:
- schemas.SupplementalProductDataSource.description

#### merchantapi:products_v1

The following keys were added:
- schemas.ProductAttributes.properties.shippingHandlingBusinessDays.description
- schemas.ProductAttributes.properties.shippingHandlingBusinessDays.items.$ref
- schemas.ProductAttributes.properties.shippingHandlingBusinessDays.type
- schemas.ProductAttributes.properties.shippingTransitBusinessDays.description
- schemas.ProductAttributes.properties.shippingTransitBusinessDays.items.$ref
- schemas.ProductAttributes.properties.shippingTransitBusinessDays.type
- schemas.ShippingBusinessDaysConfig.description
- schemas.ShippingBusinessDaysConfig.id
- schemas.ShippingBusinessDaysConfig.properties.businessDays.description
- schemas.ShippingBusinessDaysConfig.properties.businessDays.type
- schemas.ShippingBusinessDaysConfig.properties.country.description
- schemas.ShippingBusinessDaysConfig.properties.country.type
- schemas.ShippingBusinessDaysConfig.type

Author: yoshi-automation

discovery/merchantapi-datasources_v1.json

@@ -321,7 +321,7 @@
       }
     }
   },
-  "revision": "20250804",
+  "revision": "20251102",
   "rootUrl": "https://merchantapi.googleapis.com/",
   "schemas": {
     "DataSource": {
@@ -980,7 +980,7 @@
       "type": "object"
     },
     "SupplementalProductDataSource": {
-      "description": "The supplemental data source for local and online products. After creation, you should make sure to link the supplemental product data source into one or more primary product data sources.",
+      "description": "The [supplemental data source](https://developers.google.com/merchant/api/guides/data-sources/api-sources#link-supplemental-data-source) for local and online products. After creation,you should make sure to link the supplemental product data source into one or more primary product data sources.",
       "id": "SupplementalProductDataSource",
       "properties": {
         "contentLanguage": {

discovery/merchantapi-datasources_v1beta.json

@@ -321,7 +321,7 @@
       }
     }
   },
-  "revision": "20250721",
+  "revision": "20251102",
   "rootUrl": "https://merchantapi.googleapis.com/",
   "schemas": {
     "DataSource": {
@@ -992,7 +992,7 @@
       "type": "object"
     },
     "SupplementalProductDataSource": {
-      "description": "The supplemental data source for local and online products. After creation, you should make sure to link the supplemental product data source into one or more primary product data sources.",
+      "description": "The [supplemental data source](https://developers.google.com/merchant/api/guides/data-sources/api-sources#link-supplemental-data-source) for local and online products. After creation,you should make sure to link the supplemental product data source into one or more primary product data sources.",
       "id": "SupplementalProductDataSource",
       "properties": {
         "contentLanguage": {

discovery/merchantapi-products_v1.json

@@ -281,7 +281,7 @@
       }
     }
   },
-  "revision": "20251007",
+  "revision": "20251104",
   "rootUrl": "https://merchantapi.googleapis.com/",
   "schemas": {
     "AutomatedDiscounts": {
@@ -1696,6 +1696,13 @@
           },
           "type": "array"
         },
+        "shippingHandlingBusinessDays": {
+          "description": "The business days during which orders can be handled. If not provided, Monday to Friday business days will be assumed.",
+          "items": {
+            "$ref": "ShippingBusinessDaysConfig"
+          },
+          "type": "array"
+        },
         "shippingHeight": {
           "$ref": "ShippingDimension",
           "description": "Height of the item for shipping."
@@ -1708,6 +1715,13 @@
           "$ref": "ShippingDimension",
           "description": "Length of the item for shipping."
         },
+        "shippingTransitBusinessDays": {
+          "description": "The business days during which orders are in transit. If not provided, Monday to Friday business days will be assumed.",
+          "items": {
+            "$ref": "ShippingBusinessDaysConfig"
+          },
+          "type": "array"
+        },
         "shippingWeight": {
           "$ref": "ShippingWeight",
           "description": "Weight of the item for shipping."
@@ -2294,6 +2308,21 @@
       },
       "type": "object"
     },
+    "ShippingBusinessDaysConfig": {
+      "description": "The business days during which orders are on their path to fulfillment. If not provided, Monday to Friday business days will be assumed.",
+      "id": "ShippingBusinessDaysConfig",
+      "properties": {
+        "businessDays": {
+          "description": "Effective days of the week considered for the delivery time calculation. May not be empty. The more business days included the faster the delivery. Can be set through individual days (e.g. `MTWRF`), or day ranges (e.g. `Mon-Fri`). For more information about accepted formats, see [Shipping handling business days](https://support.google.com/merchants/answer/16072859).",
+          "type": "string"
+        },
+        "country": {
+          "description": "The [CLDR territory code](http://www.unicode.org/repos/cldr/tags/latest/common/main/en.xml) of the country to which an item will ship.",
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "ShippingDimension": {
       "description": "The ShippingDimension of the product.",
       "id": "ShippingDimension",

src/apis/merchantapi/datasources_v1.ts

@@ -497,7 +497,7 @@ export namespace merchantapi_datasources_v1 {
     feedLabel?: string | null;
   }
   /**
-   * The supplemental data source for local and online products. After creation, you should make sure to link the supplemental product data source into one or more primary product data sources.
+   * The [supplemental data source](https://developers.google.com/merchant/api/guides/data-sources/api-sources#link-supplemental-data-source) for local and online products. After creation,you should make sure to link the supplemental product data source into one or more primary product data sources.
    */
   export interface Schema$SupplementalProductDataSource {
     /**

src/apis/merchantapi/datasources_v1beta.ts

@@ -497,7 +497,7 @@ export namespace merchantapi_datasources_v1beta {
     feedLabel?: string | null;
   }
   /**
-   * The supplemental data source for local and online products. After creation, you should make sure to link the supplemental product data source into one or more primary product data sources.
+   * The [supplemental data source](https://developers.google.com/merchant/api/guides/data-sources/api-sources#link-supplemental-data-source) for local and online products. After creation,you should make sure to link the supplemental product data source into one or more primary product data sources.
    */
   export interface Schema$SupplementalProductDataSource {
     /**

src/apis/merchantapi/products_v1.ts

@@ -798,6 +798,10 @@ export namespace merchantapi_products_v1 {
      * Shipping rules.
      */
     shipping?: Schema$Shipping[];
+    /**
+     * The business days during which orders can be handled. If not provided, Monday to Friday business days will be assumed.
+     */
+    shippingHandlingBusinessDays?: Schema$ShippingBusinessDaysConfig[];
     /**
      * Height of the item for shipping.
      */
@@ -810,6 +814,10 @@ export namespace merchantapi_products_v1 {
      * Length of the item for shipping.
      */
     shippingLength?: Schema$ShippingDimension;
+    /**
+     * The business days during which orders are in transit. If not provided, Monday to Friday business days will be assumed.
+     */
+    shippingTransitBusinessDays?: Schema$ShippingBusinessDaysConfig[];
     /**
      * Weight of the item for shipping.
      */
@@ -1158,6 +1166,19 @@ export namespace merchantapi_products_v1 {
      */
     service?: string | null;
   }
+  /**
+   * The business days during which orders are on their path to fulfillment. If not provided, Monday to Friday business days will be assumed.
+   */
+  export interface Schema$ShippingBusinessDaysConfig {
+    /**
+     * Effective days of the week considered for the delivery time calculation. May not be empty. The more business days included the faster the delivery. Can be set through individual days (e.g. `MTWRF`), or day ranges (e.g. `Mon-Fri`). For more information about accepted formats, see [Shipping handling business days](https://support.google.com/merchants/answer/16072859).
+     */
+    businessDays?: string | null;
+    /**
+     * The [CLDR territory code](http://www.unicode.org/repos/cldr/tags/latest/common/main/en.xml) of the country to which an item will ship.
+     */
+    country?: string | null;
+  }
   /**
    * The ShippingDimension of the product.
    */