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

Co-authored-by: Florian THIERRY
Reviewed-on: florian/codiki-hexagonal#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: [