chore(main): release google-cloud-channel-v1 2.5.0

Author: release-please[bot]

.release-please-manifest.json

@@ -223,7 +223,7 @@
   "google-cloud-ces-v1beta+FILLER": "0.0.0",
   "google-cloud-channel": "2.1.0",
   "google-cloud-channel+FILLER": "0.0.0",
-  "google-cloud-channel-v1": "2.4.1",
+  "google-cloud-channel-v1": "2.5.0",
   "google-cloud-channel-v1+FILLER": "0.0.0",
   "google-cloud-chronicle": "0.3.0",
   "google-cloud-chronicle+FILLER": "0.0.0",

google-cloud-channel-v1/CHANGELOG.md

@@ -1,5 +1,22 @@
 # Release History
 
+### 2.5.0 (2026-04-30)
+
+#### Features
+
+* 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
+
+* Changed field behavior for an existing field `entitlement_granularity` in message `.google.cloud.channel.v1.RepricingConfig` 
+#### Documentation
+
+* 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 
+* update SelectiveGapicGeneration usage doc ([#32231](https://github.com/googleapis/google-cloud-ruby/issues/32231)) 
+
 ### 2.4.1 (2025-10-27)
 
 #### Documentation

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

@@ -21,7 +21,7 @@ module Google
   module Cloud
     module Channel
       module V1
-        VERSION = "2.4.1"
+        VERSION = "2.5.0"
       end
     end
   end