chore(deps): update dependency @nuxtjs/i18n to v9

i18n/translations/app-en.ts

@@ -0,0 +1,11 @@
+export default {
+  title: 'Dancefinder',
+  login: 'Login',
+  logout: 'Log out',
+  darkMode: 'Dark mode',
+  links: {
+    events: 'Events',
+    filters: 'Filters',
+    origins: 'Origins',
+  },
+}