chore: Update discovery artifacts (#1269)

* chore(accessapproval): update the api
* chore(accesscontextmanager): update the api
* chore(apigateway): update the api
* chore(area120tables): update the api
* chore(bigquerydatatransfer): update the api
* chore(billingbudgets): update the api
* chore(calendar): update the api
* chore(chat): update the api
* chore(cloudbilling): update the api
* chore(cloudfunctions): update the api
* chore(cloudkms): update the api
* chore(cloudprofiler): update the api
* chore(cloudscheduler): update the api
* chore(cloudshell): update the api
* chore(cloudtasks): update the api
* chore(composer): update the api
* chore(datalabeling): update the api
* chore(datamigration): update the api
* chore(deploymentmanager): update the api
* chore(dlp): update the api
* chore(doubleclickbidmanager): update the api
* chore(drive): update the api
* chore(driveactivity): update the api
* chore(eventarc): update the api
* chore(fcm): update the api
* chore(firebaseml): update the api
* chore(firestore): update the api
* chore(gameservices): update the api
* chore(genomics): update the api
* chore(groupsmigration): update the api
* chore(iam): update the api
* chore(language): update the api
* chore(libraryagent): update the api
* chore(lifesciences): update the api
* chore(logging): update the api
* chore(monitoring): update the api
* chore(policytroubleshooter): update the api
* chore(recommendationengine): update the api
* chore(recommender): update the api
* chore(redis): update the api
* chore(runtimeconfig): update the api
* chore(script): update the api
* chore(serviceconsumermanagement): update the api
* chore(servicedirectory): update the api
* chore(servicenetworking): update the api
* chore(serviceusage): update the api
* chore(sheets): update the api
* chore(texttospeech): update the api
* chore(toolresults): update the api
* chore(transcoder): update the api
* chore(translate): update the api
* chore(vision): update the api
* chore(workflows): update the api

Co-authored-by: Yoshi Automation <yoshi-automation@google.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>
diff --git a/docs/dyn/dialogflow_v2.projects.conversations.participants.suggestions.html b/docs/dyn/dialogflow_v2.projects.conversations.participants.suggestions.html
new file mode 100644
index 0000000..c2b9532
--- /dev/null
+++ b/docs/dyn/dialogflow_v2.projects.conversations.participants.suggestions.html
@@ -0,0 +1,174 @@
+<html><body>
+<style>
+
+body, h1, h2, h3, div, span, p, pre, a {
+  margin: 0;
+  padding: 0;
+  border: 0;
+  font-weight: inherit;
+  font-style: inherit;
+  font-size: 100%;
+  font-family: inherit;
+  vertical-align: baseline;
+}
+
+body {
+  font-size: 13px;
+  padding: 1em;
+}
+
+h1 {
+  font-size: 26px;
+  margin-bottom: 1em;
+}
+
+h2 {
+  font-size: 24px;
+  margin-bottom: 1em;
+}
+
+h3 {
+  font-size: 20px;
+  margin-bottom: 1em;
+  margin-top: 1em;
+}
+
+pre, code {
+  line-height: 1.5;
+  font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Lucida Console', monospace;
+}
+
+pre {
+  margin-top: 0.5em;
+}
+
+h1, h2, h3, p {
+  font-family: Arial, sans serif;
+}
+
+h1, h2, h3 {
+  border-bottom: solid #CCC 1px;
+}
+
+.toc_element {
+  margin-top: 0.5em;
+}
+
+.firstline {
+  margin-left: 2 em;
+}
+
+.method  {
+  margin-top: 1em;
+  border: solid 1px #CCC;
+  padding: 1em;
+  background: #EEE;
+}
+
+.details {
+  font-weight: bold;
+  font-size: 14px;
+}
+
+</style>
+
+<h1><a href="dialogflow_v2.html">Dialogflow API</a> . <a href="dialogflow_v2.projects.html">projects</a> . <a href="dialogflow_v2.projects.conversations.html">conversations</a> . <a href="dialogflow_v2.projects.conversations.participants.html">participants</a> . <a href="dialogflow_v2.projects.conversations.participants.suggestions.html">suggestions</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="#close">close()</a></code></p>
+<p class="firstline">Close httplib2 connections.</p>
+<p class="toc_element">
+  <code><a href="#suggestArticles">suggestArticles(parent, body=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Gets suggested articles for a participant based on specific historical messages.</p>
+<p class="toc_element">
+  <code><a href="#suggestFaqAnswers">suggestFaqAnswers(parent, body=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Gets suggested faq answers for a participant based on specific historical messages.</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="close">close()</code>
+  <pre>Close httplib2 connections.</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="suggestArticles">suggestArticles(parent, body=None, x__xgafv=None)</code>
+  <pre>Gets suggested articles for a participant based on specific historical messages.
+
+Args:
+  parent: string, Required. The name of the participant to fetch suggestion for. Format: `projects//locations//conversations//participants/`. (required)
+  body: object, The request body.
+    The object takes the form of:
+
+{ # The request message for Participants.SuggestArticles.
+  &quot;contextSize&quot;: 42, # Max number of messages prior to and including latest_message to use as context when compiling the suggestion. By default 20 and at most 50.
+  &quot;latestMessage&quot;: &quot;A String&quot;, # The name of the latest conversation message to compile suggestion for. If empty, it will be the latest message of the conversation. Format: `projects//locations//conversations//messages/`.
+}
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # The response message for Participants.SuggestArticles.
+  &quot;articleAnswers&quot;: [ # Articles ordered by score in descending order.
+    { # Represents article answer.
+      &quot;answerRecord&quot;: &quot;A String&quot;, # The name of answer record, in the format of &quot;projects//locations//answerRecords/&quot;
+      &quot;confidence&quot;: 3.14, # Article match confidence. The system&#x27;s confidence score that this article is a good match for this conversation, as a value from 0.0 (completely uncertain) to 1.0 (completely certain).
+      &quot;metadata&quot;: { # A map that contains metadata about the answer and the document from which it originates.
+        &quot;a_key&quot;: &quot;A String&quot;,
+      },
+      &quot;snippets&quot;: [ # Article snippets.
+        &quot;A String&quot;,
+      ],
+      &quot;title&quot;: &quot;A String&quot;, # The article title.
+      &quot;uri&quot;: &quot;A String&quot;, # The article URI.
+    },
+  ],
+  &quot;contextSize&quot;: 42, # Number of messages prior to and including latest_message to compile the suggestion. It may be smaller than the SuggestArticlesRequest.context_size field in the request if there aren&#x27;t that many messages in the conversation.
+  &quot;latestMessage&quot;: &quot;A String&quot;, # The name of the latest conversation message used to compile suggestion for. Format: `projects//locations//conversations//messages/`.
+}</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="suggestFaqAnswers">suggestFaqAnswers(parent, body=None, x__xgafv=None)</code>
+  <pre>Gets suggested faq answers for a participant based on specific historical messages.
+
+Args:
+  parent: string, Required. The name of the participant to fetch suggestion for. Format: `projects//locations//conversations//participants/`. (required)
+  body: object, The request body.
+    The object takes the form of:
+
+{ # The request message for Participants.SuggestFaqAnswers.
+  &quot;contextSize&quot;: 42, # Max number of messages prior to and including [latest_message] to use as context when compiling the suggestion. By default 20 and at most 50.
+  &quot;latestMessage&quot;: &quot;A String&quot;, # The name of the latest conversation message to compile suggestion for. If empty, it will be the latest message of the conversation. Format: `projects//locations//conversations//messages/`.
+}
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # The request message for Participants.SuggestFaqAnswers.
+  &quot;contextSize&quot;: 42, # Number of messages prior to and including latest_message to compile the suggestion. It may be smaller than the SuggestFaqAnswersRequest.context_size field in the request if there aren&#x27;t that many messages in the conversation.
+  &quot;faqAnswers&quot;: [ # Answers extracted from FAQ documents.
+    { # Represents answer from &quot;frequently asked questions&quot;.
+      &quot;answer&quot;: &quot;A String&quot;, # The piece of text from the `source` knowledge base document.
+      &quot;answerRecord&quot;: &quot;A String&quot;, # The name of answer record, in the format of &quot;projects//locations//answerRecords/&quot;
+      &quot;confidence&quot;: 3.14, # The system&#x27;s confidence score that this Knowledge answer is a good match for this conversational query, range from 0.0 (completely uncertain) to 1.0 (completely certain).
+      &quot;metadata&quot;: { # A map that contains metadata about the answer and the document from which it originates.
+        &quot;a_key&quot;: &quot;A String&quot;,
+      },
+      &quot;question&quot;: &quot;A String&quot;, # The corresponding FAQ question.
+      &quot;source&quot;: &quot;A String&quot;, # Indicates which Knowledge Document this answer was extracted from. Format: `projects//locations//agent/knowledgeBases//documents/`.
+    },
+  ],
+  &quot;latestMessage&quot;: &quot;A String&quot;, # The name of the latest conversation message used to compile suggestion for. Format: `projects//locations//conversations//messages/`.
+}</pre>
+</div>
+
+</body></html>
\ No newline at end of file