fix(vite): update snapshots for angular 21+ vitest setup

Mock workspace has no Angular version, now defaults to 21+ path
which generates setupTestBed() instead of getTestBed().initTestEnvironment().

Author: leosvelperez

packages/vite/src/generators/vitest/__snapshots__/vitest.spec.ts.snap

@@ -2,18 +2,10 @@
 
 exports[`vitest generator angular should generate src/test-setup.ts 1`] = `
 "import '@angular/compiler';
-import '@analogjs/vitest-angular/setup-zone';
+import '@analogjs/vitest-angular/setup-snapshots';
+import { setupTestBed } from '@analogjs/vitest-angular/setup-testbed';
 
-import {
-  BrowserTestingModule,
-  platformBrowserTesting,
-} from '@angular/platform-browser/testing';
-import { getTestBed } from '@angular/core/testing';
-
-getTestBed().initTestEnvironment(
-  BrowserTestingModule,
-  platformBrowserTesting(),
-);
+setupTestBed({ zoneless: false });
 "
 `;
 

packages/vite/src/generators/vitest/vitest.spec.ts

@@ -235,7 +235,6 @@ describe('vitest generator', () => {
       expect(tree.read('apps/my-test-angular-app/src/test-setup.ts', 'utf-8'))
         .toMatchInlineSnapshot(`
         "import '@analogjs/vitest-angular/setup-zone';
-
         import {
           BrowserDynamicTestingModule,
           platformBrowserDynamicTesting,