Bump v3 API docs version release-candidate

Author: ari-wg-gitbot

version/release-candidate/index.html

@@ -4354,6 +4354,7 @@ <h5 id="buildpack-lifecycle">Buildpack lifecycle</h5>
 <li><code class="prettyprint">audit.buildpack.create</code></li>
 <li><code class="prettyprint">audit.buildpack.delete</code></li>
 <li><code class="prettyprint">audit.buildpack.update</code></li>
+<li><code class="prettyprint">audit.buildpack.upload</code></li>
 </ul>
 
 <h5 id="organization-lifecycle">Organization lifecycle</h5>