chore(main): release google-cloud-dialogflow-cx 1.5.0 (#34238)

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

Author: release-please[bot]

.release-please-manifest.json

@@ -361,7 +361,7 @@
   "google-cloud-device_streaming-v1+FILLER": "0.0.0",
   "google-cloud-dialogflow": "1.15.0",
   "google-cloud-dialogflow+FILLER": "0.0.0",
-  "google-cloud-dialogflow-cx": "1.4.0",
+  "google-cloud-dialogflow-cx": "1.5.0",
   "google-cloud-dialogflow-cx+FILLER": "0.0.0",
   "google-cloud-dialogflow-cx-v3": "1.11.0",
   "google-cloud-dialogflow-cx-v3+FILLER": "0.0.0",

google-cloud-dialogflow-cx/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+### 1.5.0 (2026-06-11)
+
+#### Features
+
+* update gapic-common dependency to 1.3 and document retry jitter ([#34045](https://github.com/googleapis/google-cloud-ruby/issues/34045)) 
+
 ### 1.4.0 (2026-03-19)
 
 #### Features

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

@@ -21,7 +21,7 @@ module Google
   module Cloud
     module Dialogflow
       module CX
-        VERSION = "1.4.0"
+        VERSION = "1.5.0"
       end
     end
   end