chore: regens API reference docs (#889)

diff --git a/docs/dyn/drive_v2.drives.html b/docs/dyn/drive_v2.drives.html
index 9e5198e..5f49656 100644
--- a/docs/dyn/drive_v2.drives.html
+++ b/docs/dyn/drive_v2.drives.html
@@ -84,7 +84,7 @@
   <code><a href="#hide">hide(driveId)</a></code></p>
 <p class="firstline">Hides a shared drive from the default view.</p>
 <p class="toc_element">
-  <code><a href="#insert">insert(requestId, body)</a></code></p>
+  <code><a href="#insert">insert(requestId, body=None)</a></code></p>
 <p class="firstline">Creates a new shared drive.</p>
 <p class="toc_element">
   <code><a href="#list">list(q=None, pageToken=None, maxResults=None, useDomainAdminAccess=None)</a></code></p>
@@ -96,7 +96,7 @@
   <code><a href="#unhide">unhide(driveId)</a></code></p>
 <p class="firstline">Restores a shared drive to the default view.</p>
 <p class="toc_element">
-  <code><a href="#update">update(driveId, body, useDomainAdminAccess=None)</a></code></p>
+  <code><a href="#update">update(driveId, body=None, useDomainAdminAccess=None)</a></code></p>
 <p class="firstline">Updates the metadata for a shared drive.</p>
 <h3>Method Details</h3>
 <div class="method">
@@ -218,12 +218,12 @@
 </div>
 
 <div class="method">
-    <code class="details" id="insert">insert(requestId, body)</code>
+    <code class="details" id="insert">insert(requestId, body=None)</code>
   <pre>Creates a new shared drive.
 
 Args:
   requestId: string, An ID, such as a random UUID, which uniquely identifies this user's request for idempotent creation of a shared drive. A repeated request by the same user and with the same request ID will avoid creating duplicates by attempting to create the same shared drive. If the shared drive already exists a 409 error will be returned. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # Representation of a shared drive.
@@ -449,12 +449,12 @@
 </div>
 
 <div class="method">
-    <code class="details" id="update">update(driveId, body, useDomainAdminAccess=None)</code>
+    <code class="details" id="update">update(driveId, body=None, useDomainAdminAccess=None)</code>
   <pre>Updates the metadata for a shared drive.
 
 Args:
   driveId: string, The ID of the shared drive. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 { # Representation of a shared drive.