fix: Add missing assert import to recommended-whitelist.spec.ts

Co-authored-by: yuki-takei <1638767+yuki-takei@users.noreply.github.com>

apps/app/src/services/renderer/recommended-whitelist.spec.ts

@@ -1,3 +1,5 @@
+import assert from 'assert';
+
 import { attributes, tagNames } from './recommended-whitelist';
 
 describe('recommended-whitelist', () => {