chore(main): release google-cloud-dialogflow 1.12.0 (#32278)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

.release-please-manifest.json

@@ -337,7 +337,7 @@
   "google-cloud-device_streaming+FILLER": "0.0.0",
   "google-cloud-device_streaming-v1": "0.2.1",
   "google-cloud-device_streaming-v1+FILLER": "0.0.0",
-  "google-cloud-dialogflow": "1.11.3",
+  "google-cloud-dialogflow": "1.12.0",
   "google-cloud-dialogflow+FILLER": "0.0.0",
   "google-cloud-dialogflow-cx": "1.3.2",
   "google-cloud-dialogflow-cx+FILLER": "0.0.0",

google-cloud-dialogflow/CHANGELOG.md

@@ -1,5 +1,14 @@
 # Release History
 
+### 1.12.0 (2025-12-16)
+
+#### Features
+
+* updated v2 dialogflow client libraries ([#32265](https://github.com/googleapis/google-cloud-ruby/issues/32265)) 
+#### Documentation
+
+* updated v2 dialogflow client libraries 
+
 ### 1.11.3 (2025-09-12)
 
 #### Documentation

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

@@ -16,7 +16,7 @@
 module Google
   module Cloud
     module Dialogflow
-      VERSION = "1.11.3".freeze
+      VERSION = "1.12.0".freeze
     end
   end
 end