chore(main): release google-cloud-dialogflow 1.9.0 (#26579)

.release-please-manifest.json

@@ -295,7 +295,7 @@
   "google-cloud-developer_connect+FILLER": "0.0.0",
   "google-cloud-developer_connect-v1": "0.1.0",
   "google-cloud-developer_connect-v1+FILLER": "0.0.0",
-  "google-cloud-dialogflow": "1.8.0",
+  "google-cloud-dialogflow": "1.9.0",
   "google-cloud-dialogflow+FILLER": "0.0.0",
   "google-cloud-dialogflow-cx": "1.2.0",
   "google-cloud-dialogflow-cx+FILLER": "0.0.0",

google-cloud-dialogflow/CHANGELOG.md

@@ -1,5 +1,34 @@
 # Release History
 
+### 1.9.0 (2024-08-05)
+
+#### Features
+
+* Add GenerateStatelessSuggestion related endpoints and types 
+* Add Generator related services and types 
+* Add Proactive Generative Knowledge Assist endpoints and types ([#26572](https://github.com/googleapis/google-cloud-ruby/issues/26572)) 
+#### Bug Fixes
+
+* Changed field behavior for an existing field `parent` in message `.google.cloud.dialogflow.v2.SearchKnowledgeRequest` 
+* Changed field behavior for an existing field `session_id` in message `.google.cloud.dialogflow.v2.SearchKnowledgeRequest` 
+#### Documentation
+
+* A comment for field `assist_query_params` in message `.google.cloud.dialogflow.v2.SuggestConversationSummaryRequest` is changed 
+* A comment for field `audio` in message `.google.cloud.dialogflow.v2.AudioInput` is changed 
+* A comment for field `context_size` in message `.google.cloud.dialogflow.v2.SuggestConversationSummaryRequest` is changed 
+* A comment for field `conversation_stage` in message `.google.cloud.dialogflow.v2.Conversation` is changed 
+* A comment for field `conversation` in message `.google.cloud.dialogflow.v2.SearchKnowledgeRequest` is changed 
+* A comment for field `filter` in message `.google.cloud.dialogflow.v2.ListConversationsRequest` is changed 
+* A comment for field `latest_message` in message `.google.cloud.dialogflow.v2.GenerateStatelessSummaryRequest` is changed 
+* A comment for field `latest_message` in message `.google.cloud.dialogflow.v2.SearchKnowledgeRequest` is changed 
+* A comment for field `latest_message` in message `.google.cloud.dialogflow.v2.SuggestConversationSummaryRequest` is changed 
+* A comment for field `live_person_config` in message `.google.cloud.dialogflow.v2.HumanAgentHandoffConfig` is changed 
+* A comment for field `max_context_size` in message `.google.cloud.dialogflow.v2.GenerateStatelessSummaryRequest` is changed 
+* A comment for field `name` in message `.google.cloud.dialogflow.v2.Conversation` is changed 
+* A comment for field `parent` in message `.google.cloud.dialogflow.v2.SearchKnowledgeRequest` is changed 
+* A comment for field `session_id` in message `.google.cloud.dialogflow.v2.SearchKnowledgeRequest` is changed 
+* A comment for message `HumanAgentHandoffConfig` is changed 
+
 ### 1.8.0 (2024-02-26)
 
 #### Features

google-cloud-dialogflow/lib/google/cloud/dialogflow/version.rb

@@ -16,7 +16,7 @@
 module Google
   module Cloud
     module Dialogflow
-      VERSION = "1.8.0".freeze
+      VERSION = "1.9.0".freeze
     end
   end
 end