feat(nx): upgrade nx 20 and angular 19

apps/angular/39-injection-token/src/app/app.component.ts

@@ -2,7 +2,6 @@ import { Component } from '@angular/core';
 import { RouterLink, RouterOutlet } from '@angular/router';
 
 @Component({
-  standalone: true,
   imports: [RouterOutlet, RouterLink],
   selector: 'app-root',
   template: `

apps/angular/39-injection-token/src/app/phone.component.ts

@@ -3,7 +3,6 @@ import { TimerContainerComponent } from './timer-container.component';
 
 @Component({
   selector: 'app-phone',
-  standalone: true,
   imports: [TimerContainerComponent],
   template: `
     <div class="flex gap-2">

apps/angular/39-injection-token/src/app/timer-container.component.ts

@@ -3,7 +3,6 @@ import { DEFAULT_TIMER } from './data';
 import { TimerComponent } from './timer.component';
 @Component({
   selector: 'timer-container',
-  standalone: true,
   imports: [TimerComponent],
   template: `
     <div class="flex gap-2">

apps/angular/39-injection-token/src/app/video.component.ts

@@ -3,7 +3,6 @@ import { TimerContainerComponent } from './timer-container.component';
 
 @Component({
   selector: 'app-video',
-  standalone: true,
   imports: [TimerContainerComponent],
   template: `
     <div class="flex gap-2">