feat(eventarc): update the api

#### eventarc:v1

The following keys were added:
- resources.projects.resources.locations.resources.kafkaSources.methods.getIamPolicy (Total Keys: 14)
- resources.projects.resources.locations.resources.kafkaSources.methods.setIamPolicy (Total Keys: 12)
- resources.projects.resources.locations.resources.kafkaSources.methods.testIamPermissions (Total Keys: 12)

Author: yoshi-automation

docs/dyn/eventarc_v1.projects.locations.html

@@ -94,6 +94,11 @@ <h2>Instance Methods</h2>
 </p>
 <p class="firstline">Returns the googleApiSources Resource.</p>
 
+<p class="toc_element">
+  <code><a href="eventarc_v1.projects.locations.kafkaSources.html">kafkaSources()</a></code>
+</p>
+<p class="firstline">Returns the kafkaSources Resource.</p>
+
 <p class="toc_element">
   <code><a href="eventarc_v1.projects.locations.messageBuses.html">messageBuses()</a></code>
 </p>