docs: update generated docs (#981)

diff --git a/docs/dyn/toolresults_v1beta3.projects.html b/docs/dyn/toolresults_v1beta3.projects.html
index c671d6b..48691c6 100644
--- a/docs/dyn/toolresults_v1beta3.projects.html
+++ b/docs/dyn/toolresults_v1beta3.projects.html
@@ -75,6 +75,11 @@
 <h1><a href="toolresults_v1beta3.html">Cloud Tool Results API</a> . <a href="toolresults_v1beta3.projects.html">projects</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
+  <code><a href="toolresults_v1beta3.projects.histories.html">histories()</a></code>
+</p>
+<p class="firstline">Returns the histories Resource.</p>
+
+<p class="toc_element">
   <code><a href="#getSettings">getSettings(projectId, x__xgafv=None)</a></code></p>
 <p class="firstline">Gets the Tool Results settings for a project.</p>
 <p class="toc_element">