feat(nx): upgrade nx 20 and angular 19

apps/signal/43-signal-input/src/app/app.component.ts

@@ -1,10 +1,8 @@
-import { JsonPipe } from '@angular/common';
 import { Component } from '@angular/core';
 import { UserComponent } from './user.component';
 
 @Component({
-  standalone: true,
-  imports: [UserComponent, JsonPipe],
+  imports: [UserComponent],
   selector: 'app-root',
   template: `
     <div class="flex flex-col gap-3">

apps/signal/43-signal-input/src/app/user.component.ts

@@ -16,7 +16,6 @@ const ageToCategory = (age: number): Category => {
 
 @Component({
   selector: 'app-user',
-  standalone: true,
   imports: [TitleCasePipe],
   template: `
     {{ fullName | titlecase }} plays tennis in the {{ category }} category!!