message: fix: reference required and email rules properly
diff: <template>
  - <ValidationProvider :rules="{ required, email }" v-slot="{ errors }">
  - <input v-model="value" type="text" placeholder="type something">
  + <ValidationProvider :rules="{ required: true, email: true }" v-slot="{ errors }">
  + <input v-model="value" type="text" placeholder="type something" />
  <span>{{ errors[0] }}</span>
  </ValidationProvider>
  </template>
  