message: chore: use reactive components count in benchmark
diff: <script type="text/x-template" id="t">
  <div>
  - <h1>{{ total }} Components</h1>
  + <h1>{{ items.length }} Components</h1>
  <p>{{ action }} took {{time}}ms.</p>
  <button @click="shuffle">shuffle</button>
  <button @click="add">add</button>
  