chore: regens API reference docs (#889)

diff --git a/docs/dyn/calendar_v3.calendars.html b/docs/dyn/calendar_v3.calendars.html
index e949d20..da43e1a 100644
--- a/docs/dyn/calendar_v3.calendars.html
+++ b/docs/dyn/calendar_v3.calendars.html
@@ -84,13 +84,13 @@
   <code><a href="#get">get(calendarId)</a></code></p>
 <p class="firstline">Returns metadata for a calendar.</p>
 <p class="toc_element">
-  <code><a href="#insert">insert(body)</a></code></p>
+  <code><a href="#insert">insert(body=None)</a></code></p>
 <p class="firstline">Creates a secondary calendar.</p>
 <p class="toc_element">
-  <code><a href="#patch">patch(calendarId, body)</a></code></p>
+  <code><a href="#patch">patch(calendarId, body=None)</a></code></p>
 <p class="firstline">Updates metadata for a calendar. This method supports patch semantics.</p>
 <p class="toc_element">
-  <code><a href="#update">update(calendarId, body)</a></code></p>
+  <code><a href="#update">update(calendarId, body=None)</a></code></p>
 <p class="firstline">Updates metadata for a calendar.</p>
 <h3>Method Details</h3>
 <div class="method">
@@ -142,11 +142,11 @@
 </div>
 
 <div class="method">
-    <code class="details" id="insert">insert(body)</code>
+    <code class="details" id="insert">insert(body=None)</code>
   <pre>Creates a secondary calendar.
 
 Args:
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 {
@@ -193,12 +193,12 @@
 </div>
 
 <div class="method">
-    <code class="details" id="patch">patch(calendarId, body)</code>
+    <code class="details" id="patch">patch(calendarId, body=None)</code>
   <pre>Updates metadata for a calendar. This method supports patch semantics.
 
 Args:
   calendarId: string, Calendar identifier. To retrieve calendar IDs call the calendarList.list method. If you want to access the primary calendar of the currently logged in user, use the "primary" keyword. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 {
@@ -245,12 +245,12 @@
 </div>
 
 <div class="method">
-    <code class="details" id="update">update(calendarId, body)</code>
+    <code class="details" id="update">update(calendarId, body=None)</code>
   <pre>Updates metadata for a calendar.
 
 Args:
   calendarId: string, Calendar identifier. To retrieve calendar IDs call the calendarList.list method. If you want to access the primary calendar of the currently logged in user, use the "primary" keyword. (required)
-  body: object, The request body. (required)
+  body: object, The request body.
     The object takes the form of:
 
 {