chore: regens API reference docs (#889)

diff --git a/docs/dyn/containeranalysis_v1alpha1.projects.scanConfigs.html b/docs/dyn/containeranalysis_v1alpha1.projects.scanConfigs.html
index ff43269..b2503c3 100644
--- a/docs/dyn/containeranalysis_v1alpha1.projects.scanConfigs.html
+++ b/docs/dyn/containeranalysis_v1alpha1.projects.scanConfigs.html
@@ -84,7 +84,7 @@
   <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
-  <code><a href="#patch">patch(name, body, updateMask=None, x__xgafv=None)</a></code></p>
+  <code><a href="#patch">patch(name, body=None, updateMask=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Updates the scan configuration to a new value.</p>
 <h3>Method Details</h3>
 <div class="method">
@@ -159,13 +159,13 @@
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(name, body, updateMask=None, x__xgafv=None)</code>
+    <code class="details" id="patch">patch(name, body=None, updateMask=None, x__xgafv=None)</code>
   <pre>Updates the scan configuration to a new value.
 
 Args:
   name: string, The scan config to update of the form
 projects/{project_id}/scanConfigs/{scan_config_id}. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # Indicates various scans and whether they are turned on or off.