fix(firebaseappdistribution): update the API

#### firebaseappdistribution:v1alpha

The following keys were changed:
- resources.projects.resources.apps.resources.testCases.methods.batchDelete.description
- schemas.GoogleFirebaseAppdistroV1alphaBatchDeleteTestCasesRequest.description

Author: yoshi-automation

discovery/firebaseappdistribution-v1alpha.json

@@ -592,7 +592,7 @@
             "testCases": {
               "methods": {
                 "batchDelete": {
-                  "description": "Delete test cases.",
+                  "description": "Deletes multiple test cases.",
                   "flatPath": "v1alpha/projects/{projectsId}/apps/{appsId}/testCases:batchDelete",
                   "httpMethod": "POST",
                   "id": "firebaseappdistribution.projects.apps.testCases.batchDelete",
@@ -812,7 +812,7 @@
       }
     }
   },
-  "revision": "20250925",
+  "revision": "20251012",
   "rootUrl": "https://firebaseappdistribution.googleapis.com/",
   "schemas": {
     "AndroidxCrawlerOutputPoint": {
@@ -1150,7 +1150,7 @@
       "type": "object"
     },
     "GoogleFirebaseAppdistroV1alphaBatchDeleteTestCasesRequest": {
-      "description": "The request message for `DeleteTestCase`.",
+      "description": "The request message for `BatchDeleteTestCase`.",
       "id": "GoogleFirebaseAppdistroV1alphaBatchDeleteTestCasesRequest",
       "properties": {
         "names": {

src/apis/firebaseappdistribution/v1alpha.ts

@@ -275,7 +275,7 @@ export namespace firebaseappdistribution_v1alpha {
     screenshot?: Schema$GoogleFirebaseAppdistroV1alphaScreenshot;
   }
   /**
-   * The request message for `DeleteTestCase`.
+   * The request message for `BatchDeleteTestCase`.
    */
   export interface Schema$GoogleFirebaseAppdistroV1alphaBatchDeleteTestCasesRequest {
     /**
@@ -3407,7 +3407,7 @@ export namespace firebaseappdistribution_v1alpha {
     }
 
     /**
-     * Delete test cases.
+     * Deletes multiple test cases.
      * @example
      * ```js
      * // Before running the sample: