chore(cloudshell): update the api

#### cloudshell:v1

The following keys were changed:
- revision (Total Keys: 1)
- schemas.AddPublicKeyRequest.properties.key (Total Keys: 1)

Author: yoshi-automation

docs/dyn/cloudshell_v1.users.environments.html

@@ -103,7 +103,7 @@ <h3>Method Details</h3>
     The object takes the form of:
 
 { # Request message for AddPublicKey.
-  &quot;key&quot;: &quot;A String&quot;, # Key that should be added to the environment. Supported formats are `ssh-dss` (see RFC4253), `ssh-rsa` (see RFC4253), `ecdsa-sha2-nistp256` (see RFC5656), `ecdsa-sha2-nistp384` (see RFC5656) and `ecdsa-sha2-nistp521` (see RFC5656). It should be structured as , where part is encoded with Base64.
+  &quot;key&quot;: &quot;A String&quot;, # Key that should be added to the environment. Supported formats are `ssh-dss` (see RFC4253), `ssh-rsa` (see RFC4253), `ecdsa-sha2-nistp256` (see RFC5656), `ecdsa-sha2-nistp384` (see RFC5656) and `ecdsa-sha2-nistp521` (see RFC5656). It should be structured as &lt;format&gt; &lt;content&gt;, where &lt;content&gt; part is encoded with Base64.
 }
 
   x__xgafv: string, V1 error format.