feat(customsearch): update the API

#### customsearch:v1

The following keys were added:
- resources.cse.methods.list.parameters.enableAlternateSearchHandler.description
- resources.cse.methods.list.parameters.enableAlternateSearchHandler.location
- resources.cse.methods.list.parameters.enableAlternateSearchHandler.type
- resources.cse.resources.siterestrict.methods.list.parameters.enableAlternateSearchHandler.description
- resources.cse.resources.siterestrict.methods.list.parameters.enableAlternateSearchHandler.location
- resources.cse.resources.siterestrict.methods.list.parameters.enableAlternateSearchHandler.type

Author: yoshi-automation

discovery/customsearch-v1.json

@@ -124,6 +124,11 @@
               "location": "query",
               "type": "string"
             },
+            "enableAlternateSearchHandler": {
+              "description": "Optional. Enables routing of Programmable Search Engine requests to an alternate search handler.",
+              "location": "query",
+              "type": "boolean"
+            },
             "exactTerms": {
               "description": "Identifies a phrase that all documents in the search results must contain.",
               "location": "query",
@@ -426,6 +431,11 @@
                   "location": "query",
                   "type": "string"
                 },
+                "enableAlternateSearchHandler": {
+                  "description": "Optional. Enables routing of Programmable Search Engine requests to an alternate search handler.",
+                  "location": "query",
+                  "type": "boolean"
+                },
                 "exactTerms": {
                   "description": "Identifies a phrase that all documents in the search results must contain.",
                   "location": "query",
@@ -702,7 +712,7 @@
       }
     }
   },
-  "revision": "20240430",
+  "revision": "20240821",
   "rootUrl": "https://customsearch.googleapis.com/",
   "schemas": {
     "Promotion": {

src/apis/customsearch/v1.ts

@@ -503,6 +503,10 @@ export namespace customsearch_v1 {
      * Restricts results to URLs based on date. Supported values include: * `d[number]`: requests results from the specified number of past days. * `w[number]`: requests results from the specified number of past weeks. * `m[number]`: requests results from the specified number of past months. * `y[number]`: requests results from the specified number of past years.
      */
     dateRestrict?: string;
+    /**
+     * Optional. Enables routing of Programmable Search Engine requests to an alternate search handler.
+     */
+    enableAlternateSearchHandler?: boolean;
     /**
      * Identifies a phrase that all documents in the search results must contain.
      */
@@ -730,6 +734,10 @@ export namespace customsearch_v1 {
      * Restricts results to URLs based on date. Supported values include: * `d[number]`: requests results from the specified number of past days. * `w[number]`: requests results from the specified number of past weeks. * `m[number]`: requests results from the specified number of past months. * `y[number]`: requests results from the specified number of past years.
      */
     dateRestrict?: string;
+    /**
+     * Optional. Enables routing of Programmable Search Engine requests to an alternate search handler.
+     */
+    enableAlternateSearchHandler?: boolean;
     /**
      * Identifies a phrase that all documents in the search results must contain.
      */