docs: update docs example dependencies to version 8 (#30385)

PR Close #30385

aio/content/examples/bootstrapping/e2e/src/app.e2e-spec.ts

@@ -9,6 +9,6 @@ describe('feature-modules App', () => {
 
   it('should display message saying app works', () => {
     page.navigateTo();
-    expect(page.getParagraphText()).toEqual('app works!');
+    expect(page.getTitleText()).toEqual('app works!');
   });
 });