Update dependencies - spring boot 4 and angular 21 (#10)

Co-authored-by: Florian THIERRY
Reviewed-on: #10

frontend/src/app/pages/home/home.component.ts

@@ -7,16 +7,15 @@ import { HomeService } from './home.service';
 import { CommonModule } from '@angular/common';
 
 @Component({
-  selector: 'app-home',
-  standalone: true,
-  imports: [
-    CommonModule,
-    MatProgressSpinnerModule,
-    PublicationListComponent
-  ],
-  templateUrl: './home.component.html',
-  styleUrl: './home.component.scss',
-  providers: [HomeService]
+    selector: 'app-home',
+    imports: [
+        CommonModule,
+        MatProgressSpinnerModule,
+        PublicationListComponent
+    ],
+    templateUrl: './home.component.html',
+    styleUrl: './home.component.scss',
+    providers: [HomeService]
 })
 export class HomeComponent implements OnInit {
   private homeService = inject(HomeService);