refactor(docs-infra): mark the update component as OnPush (angular#56254)

After inspecting and testing the adev-update-guide component it seems like it could be marked as OnPush. This change gets us closer to enabling zoneless for adev. PR Close angular#56254

Author: pkozlowski-opensource

adev/src/app/features/update/update.component.ts

@@ -1,4 +1,4 @@
-import {Component, HostListener, inject} from '@angular/core';
+import {ChangeDetectionStrategy, Component, HostListener, inject} from '@angular/core';
 import {Step, RECOMMENDATIONS} from './recommendations';
 import {Clipboard} from '@angular/cdk/clipboard';
 import {CdkMenuModule} from '@angular/cdk/menu';
@@ -31,6 +31,7 @@ interface Option {
  IconComponent,
  ],
  standalone: true,
+ changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export default class AppComponent {
  protected title = '';