fix(looker): update the API

#### looker:v1

The following keys were changed:
- resources.projects.resources.locations.methods.list.parameters.extraLocationTypes.description

Author: yoshi-automation

discovery/looker-v1.json

@@ -144,7 +144,7 @@
               ],
               "parameters": {
                 "extraLocationTypes": {
-                  "description": "Optional. Unless explicitly documented otherwise, don't use this unsupported field which is primarily intended for internal usage.",
+                  "description": "Optional. Do not use this field. It is unsupported and is ignored unless explicitly documented otherwise. This is primarily for internal usage.",
                   "location": "query",
                   "repeated": true,
                   "type": "string"
@@ -715,7 +715,7 @@
       }
     }
   },
-  "revision": "20251017",
+  "revision": "20251021",
   "rootUrl": "https://looker.googleapis.com/",
   "schemas": {
     "AdminSettings": {

src/apis/looker/v1.ts

@@ -944,7 +944,7 @@ export namespace looker_v1 {
      *
      *   // Do the magic
      *   const res = await looker.projects.locations.list({
-     *     // Optional. Unless explicitly documented otherwise, don't use this unsupported field which is primarily intended for internal usage.
+     *     // Optional. Do not use this field. It is unsupported and is ignored unless explicitly documented otherwise. This is primarily for internal usage.
      *     extraLocationTypes: 'placeholder-value',
      *     // A filter to narrow down results to a preferred subset. The filtering language accepts strings like `"displayName=tokyo"`, and is documented in more detail in [AIP-160](https://google.aip.dev/160).
      *     filter: 'placeholder-value',
@@ -1072,7 +1072,7 @@ export namespace looker_v1 {
   export interface Params$Resource$Projects$Locations$List
     extends StandardParameters {
     /**
-     * Optional. Unless explicitly documented otherwise, don't use this unsupported field which is primarily intended for internal usage.
+     * Optional. Do not use this field. It is unsupported and is ignored unless explicitly documented otherwise. This is primarily for internal usage.
      */
     extraLocationTypes?: string[];
     /**