chore(workflow): bump node version and update import

Author: IMinchev64

.github/workflows/nodejs.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [20.x, 22.17.1]
+        node-version: [20.x, 22.x]
 
     steps:
       - name: Checkout

projects/igniteui-angular/migrations/common/UpdateChanges.spec.ts

@@ -1,4 +1,4 @@
-import { UnitTestTree } from '@angular-devkit/schematics/testing';
+import { UnitTestTree } from '@angular-devkit/schematics/testing/index.ts';
 import * as fs from 'fs';
 import * as path from 'path';
 import { ClassChanges, BindingChanges, SelectorChanges, ThemeChanges, ImportsChanges, ElementType, ThemeType, MemberChanges } from './schema';