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

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

frontend/src/app/components/publication-edition/code-block-dialog/code-block-dialog.component.ts

@@ -86,7 +86,6 @@ export const PROGRAMMING_LANGUAGES: ProgramingLanguage[] = [
 
 @Component({
     selector: 'app-code-block-dialog',
-    standalone: true,
     templateUrl: './code-block-dialog.component.html',
     styleUrl: './code-block-dialog.component.scss',
     imports: [

frontend/src/app/components/publication-edition/picture-selection-dialog/picture-selection-dialog.component.ts

@@ -10,15 +10,14 @@ import { MatTooltip } from "@angular/material/tooltip";
 
 @Component({
     selector: 'app-picture-selection',
-    standalone: true,
     templateUrl: './picture-selection-dialog.component.html',
     styleUrl: './picture-selection-dialog.component.scss',
     imports: [
-        MatIcon, 
-        MatRippleModule, 
-        MatProgressSpinnerModule, 
+        MatIcon,
+        MatRippleModule,
+        MatProgressSpinnerModule,
         MatTooltip
-    ],
+    ]
 })
 export class PictureSelectionDialog implements OnInit {
     private readonly pictureRestService = inject(PictureRestService);

frontend/src/app/components/publication-edition/publication-edition.component.ts

@@ -19,7 +19,6 @@ import { MatRippleModule } from "@angular/material/core";
 
 @Component({
     selector: 'app-publication-edition',
-    standalone: true,
     templateUrl: './publication-edition.component.html',
     styleUrl: './publication-edition.component.scss',
     imports: [
@@ -32,7 +31,6 @@ import { MatRippleModule } from "@angular/material/core";
         MatSelectModule,
         MatTabsModule,
         MatTooltipModule,
-        PictureSelectionDialog,
         ReactiveFormsModule,
         SubmitButtonComponent
     ],
@@ -147,4 +145,4 @@ export class PublicationEditionComponent implements OnChanges, OnDestroy {
             this.publicationEditionService.loadPreview();
         }
     }
-}
+}