chore(main): release google-cloud-text_to_speech-v1beta1 0.29.0

Author: release-please[bot]

.release-please-manifest.json

@@ -835,7 +835,7 @@
   "google-cloud-text_to_speech+FILLER": "0.0.0",
   "google-cloud-text_to_speech-v1": "1.16.0",
   "google-cloud-text_to_speech-v1+FILLER": "0.0.0",
-  "google-cloud-text_to_speech-v1beta1": "0.28.0",
+  "google-cloud-text_to_speech-v1beta1": "0.29.0",
   "google-cloud-text_to_speech-v1beta1+FILLER": "0.0.0",
   "google-cloud-tpu": "1.5.0",
   "google-cloud-tpu+FILLER": "0.0.0",

google-cloud-text_to_speech-v1beta1/CHANGELOG.md

@@ -1,5 +1,11 @@
 # Release History
 
+### 0.29.0 (2026-04-02)
+
+#### Features
+
+* Support safety settings for Gemini voices and deprecate `relax_safety_filters` ([#33464](https://github.com/googleapis/google-cloud-ruby/issues/33464)) 
+
 ### 0.28.0 (2026-03-19)
 
 #### Features

google-cloud-text_to_speech-v1beta1/lib/google/cloud/text_to_speech/v1beta1/version.rb

@@ -21,7 +21,7 @@ module Google
   module Cloud
     module TextToSpeech
       module V1beta1
-        VERSION = "0.28.0"
+        VERSION = "0.29.0"
       end
     end
   end