feat(nx): upgrade nx 20 and angular 19

apps/performance/34-default-vs-onpush/src/app/app.component.ts

@@ -4,7 +4,6 @@ import { PersonListComponent } from './person-list.component';
 import { RandomComponent } from './random.component';
 
 @Component({
-  standalone: true,
   imports: [PersonListComponent, RandomComponent],
   selector: 'app-root',
   template: `

apps/performance/34-default-vs-onpush/src/app/person-list.component.ts

@@ -10,7 +10,6 @@ import { MatListModule } from '@angular/material/list';
 
 @Component({
   selector: 'app-person-list',
-  standalone: true,
   imports: [
     CommonModule,
     FormsModule,

apps/performance/34-default-vs-onpush/src/app/random.component.ts

@@ -3,7 +3,6 @@ import { Component } from '@angular/core';
 
 @Component({
   selector: 'app-random',
-  standalone: true,
   template: `
     <div cd-flash>I do nothing but I'm here</div>
   `,