refactor(@schematics/angular): fix lint issue

Author: yjaaidi

packages/schematics/angular/refactor/jasmine-vitest/utils/constants.ts

@@ -1 +1,9 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+
 export const ANGULAR_CORE_TESTING = '@angular/core/testing';