fix(front): utilise with plutôt que assert pour charger un module JSON

C'est la 'nouvelle' syntaxe.

front/vite.config.js

@@ -1,7 +1,7 @@
 import { fileURLToPath } from 'node:url'
 import { defineConfig, loadEnv } from 'vite'
 import { sentryVitePlugin } from '@sentry/vite-plugin'
-import pkg from './package.json' assert { type: 'json' }
+import pkg from './package.json' with { type: 'json' }
 import react from '@vitejs/plugin-react'
 import handlebars from 'vite-plugin-handlebars'
 import graphql from '@rollup/plugin-graphql'