chore(main): release google-cloud-alloy_db-v1 1.5.0 (#31558)

* chore(main): release google-cloud-alloy_db-v1 1.5.0

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* Update CHANGELOG.md

---------

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Viacheslav Rostovtsev <58152857+viacheslav-rostovtsev@users.noreply.github.com>

Author: 3 people

.release-please-manifest.json

@@ -49,7 +49,7 @@
   "google-cloud-ai_platform-v1+FILLER": "0.0.0",
   "google-cloud-alloy_db": "2.1.1",
   "google-cloud-alloy_db+FILLER": "0.0.0",
-  "google-cloud-alloy_db-v1": "1.4.0",
+  "google-cloud-alloy_db-v1": "1.5.0",
   "google-cloud-alloy_db-v1+FILLER": "0.0.0",
   "google-cloud-alloy_db-v1alpha": "0.16.0",
   "google-cloud-alloy_db-v1alpha+FILLER": "0.0.0",

google-cloud-alloy_db-v1/CHANGELOG.md

@@ -1,5 +1,20 @@
 # Changelog
 
+### 1.5.0 (2025-10-01)
+
+#### Features
+
+* add PG 17 as a Database version ([#31551](https://github.com/googleapis/google-cloud-ruby/issues/31551))
+* add configuration for Managed Connection Pool
+* update Database.charset to be immutable
+* add additional fields to Database object to specify the collation type, character type, if it is a template database, and the template to use for the database
+* add field to ExecuteSQL request to just validate the sql statement
+* add fields on the estimated/actual start/end times for an Upgrade Cluster operation
+
+#### Documentation
+
+* specify that the STOPPED state is not used for clusters anymore
+
 ### 1.4.0 (2025-09-11)
 
 #### Features

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

@@ -21,7 +21,7 @@ module Google
   module Cloud
     module AlloyDB
       module V1
-        VERSION = "1.4.0"
+        VERSION = "1.5.0"
       end
     end
   end

google-cloud-alloy_db-v1/snippets/snippet_metadata_google.cloud.alloydb.v1.json

@@ -1,7 +1,7 @@
 {
   "client_library": {
     "name": "google-cloud-alloy_db-v1",
-    "version": "1.4.0",
+    "version": "1.5.0",
     "language": "RUBY",
     "apis": [
       {