🌐 Add i18n-ally config and upgrade next-international

apps/builder/src/pages/_app.tsx

@@ -19,6 +19,7 @@ import { I18nProvider } from '@/locales'
 import { TypebotProvider } from '@/features/editor/providers/TypebotProvider'
 import { WorkspaceProvider } from '@/features/workspace/WorkspaceProvider'
 import { isCloudProdInstance } from '@/helpers/isCloudProdInstance'
+import en from '@/locales/en'
 
 import { initPostHogIfEnabled } from '@/features/telemetry/posthog'
 initPostHogIfEnabled()
@@ -55,7 +56,7 @@ const App = ({ Component, pageProps }: AppProps) => {
   return (
     <>
       <ToastContainer />
-      <I18nProvider locale={pageProps.locale}>
+      <I18nProvider locale={pageProps.locale} fallbackLocale={en}>
         <ChakraProvider theme={customTheme}>
           <SessionProvider session={pageProps.session}>
             <UserProvider>