chore(main): release google-cloud-pubsub-v1 1.15.0

Author: release-please[bot]

.release-please-manifest.json

@@ -675,7 +675,7 @@
   "google-cloud-profiler-v2+FILLER": "0.0.0",
   "google-cloud-pubsub": "3.2.1",
   "google-cloud-pubsub+FILLER": "0.0.0",
-  "google-cloud-pubsub-v1": "1.14.2",
+  "google-cloud-pubsub-v1": "1.15.0",
   "google-cloud-pubsub-v1+FILLER": "0.0.0",
   "google-cloud-rapid_migration_assessment": "2.1.0",
   "google-cloud-rapid_migration_assessment+FILLER": "0.0.0",

google-cloud-pubsub-v1/CHANGELOG.md

@@ -1,5 +1,27 @@
 # Release History
 
+### 1.15.0 (2026-04-29)
+
+#### Features
+
+* Add AIInference MessageTransform type 
+* Add BigtableConfig type 
+* add custom prompt config in the request and return prompt in the response 
+* update min_speaker_count and max_speaker_count to be optional 
+* Update minimum Ruby to v3.2 and required dependencies for Ruby v4.0 
+* upgrade protobuf from v25.7 to v31.0 
+#### Bug Fixes
+
+* increase streaming pull timeout ([#32300](https://github.com/googleapis/google-cloud-ruby/issues/32300)) 
+#### Documentation
+
+* A comment for field `analytics_hub_subscription_info` in message `.google.pubsub.v1.Subscription` is updated 
+* A comment for field `subscription` in message `.google.pubsub.v1.CreateSnapshotRequest` is updated 
+* A comment for field `topic` in message `.google.pubsub.v1.Subscription` is updated 
+* add tags documentation links to Pub/Sub resource tags fields 
+* Clarify that min_speaker_count and max_speaker_count in SpeakerDiarizationConfig are not currently used 
+* Update guidance on how to enable speaker diarization; to enable, set the diarization_config field to an empty SpeakerDiarizationConfig message 
+
 ### 1.14.2 (2025-12-17)
 
 #### Documentation

google-cloud-pubsub-v1/lib/google/cloud/pubsub/v1/version.rb

@@ -21,7 +21,7 @@ module Google
   module Cloud
     module PubSub
       module V1
-        VERSION = "1.14.2"
+        VERSION = "1.15.0"
       end
     end
   end