chore: update docs/dyn , add static discovery files to discovery_cache/documents (#1111)

This PR was generated using Autosynth. :rainbow:

Synth log will be available here:
https://source.cloud.google.com/results/invocations/78f53313-0c78-4a29-8841-f031665a4c6a/targets

- [ ] To automatically regenerate this PR, check this box.

Source-Link: https://github.com/googleapis/synthtool/commit/c2de32114ec484aa708d32012d1fa8d75232daf5
diff --git a/docs/dyn/pubsub_v1.projects.topics.subscriptions.html b/docs/dyn/pubsub_v1.projects.topics.subscriptions.html
index 6fd7440..68c7065 100644
--- a/docs/dyn/pubsub_v1.projects.topics.subscriptions.html
+++ b/docs/dyn/pubsub_v1.projects.topics.subscriptions.html
@@ -78,7 +78,7 @@
   <code><a href="#close">close()</a></code></p>
 <p class="firstline">Close httplib2 connections.</p>
 <p class="toc_element">
-  <code><a href="#list">list(topic, pageSize=None, pageToken=None, x__xgafv=None)</a></code></p>
+  <code><a href="#list">list(topic, pageToken=None, pageSize=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Lists the names of the attached subscriptions on this topic.</p>
 <p class="toc_element">
   <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
@@ -90,13 +90,13 @@
 </div>
 
 <div class="method">
-    <code class="details" id="list">list(topic, pageSize=None, pageToken=None, x__xgafv=None)</code>
+    <code class="details" id="list">list(topic, pageToken=None, pageSize=None, x__xgafv=None)</code>
   <pre>Lists the names of the attached subscriptions on this topic.
 
 Args:
   topic: string, Required. The name of the topic that subscriptions are attached to. Format is `projects/{project}/topics/{topic}`. (required)
-  pageSize: integer, Maximum number of subscription names to return.
   pageToken: string, The value returned by the last `ListTopicSubscriptionsResponse`; indicates that this is a continuation of a prior `ListTopicSubscriptions` call, and that the system should return the next page of data.
+  pageSize: integer, Maximum number of subscription names to return.
   x__xgafv: string, V1 error format.
     Allowed values
       1 - v1 error format
@@ -106,10 +106,10 @@
   An object of the form:
 
     { # Response for the `ListTopicSubscriptions` method.
-    &quot;nextPageToken&quot;: &quot;A String&quot;, # If not empty, indicates that there may be more subscriptions that match the request; this value should be passed in a new `ListTopicSubscriptionsRequest` to get more subscriptions.
     &quot;subscriptions&quot;: [ # The names of subscriptions attached to the topic specified in the request.
       &quot;A String&quot;,
     ],
+    &quot;nextPageToken&quot;: &quot;A String&quot;, # If not empty, indicates that there may be more subscriptions that match the request; this value should be passed in a new `ListTopicSubscriptionsRequest` to get more subscriptions.
   }</pre>
 </div>