chore: regens API reference docs (#889)

diff --git a/docs/dyn/cloudshell_v1alpha1.users.environments.publicKeys.html b/docs/dyn/cloudshell_v1alpha1.users.environments.publicKeys.html
index 10b2a95..dc0374a 100644
--- a/docs/dyn/cloudshell_v1alpha1.users.environments.publicKeys.html
+++ b/docs/dyn/cloudshell_v1alpha1.users.environments.publicKeys.html
@@ -75,14 +75,14 @@
 <h1><a href="cloudshell_v1alpha1.html">Cloud Shell API</a> . <a href="cloudshell_v1alpha1.users.html">users</a> . <a href="cloudshell_v1alpha1.users.environments.html">environments</a> . <a href="cloudshell_v1alpha1.users.environments.publicKeys.html">publicKeys</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#create">create(parent, body, x__xgafv=None)</a></code></p>
+  <code><a href="#create">create(parent, body=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Adds a public SSH key to an environment, allowing clients with the</p>
 <p class="toc_element">
   <code><a href="#delete">delete(name, x__xgafv=None)</a></code></p>
 <p class="firstline">Removes a public SSH key from an environment. Clients will no longer be</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="create">create(parent, body, x__xgafv=None)</code>
+    <code class="details" id="create">create(parent, body=None, x__xgafv=None)</code>
   <pre>Adds a public SSH key to an environment, allowing clients with the
 corresponding private key to connect to that environment via SSH. If a key
 with the same format and content already exists, this will return the
@@ -90,7 +90,7 @@
 
 Args:
   parent: string, Parent resource name, e.g. `users/me/environments/default`. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # Request message for CreatePublicKey.