title: Discord.js 13 channel.join is not a function
body: <p>I recently installed Discord.js 13.1.0 and my music commands broke because, apparently, <code>channel.join();</code> is not a function, although I have been using it for months on 12.5.3...</p>
  <p>Does anybody know a fix for this?</p>
  <p>Some parts of my join command:</p>
  <pre class="lang-js prettyprint-override"><code>const { channel } = message.member.voice;
  const voiceChannel = message.member.voice.channel;
  
  await channel.join();
  </code></pre>
  <p>It results in the error.</p>