chore(main): release google-cloud-spanner 2.28.0 (#183)

* chore(main): release google-cloud-spanner 2.28.0

* Update CHANGELOG.md

* Typo

---------

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
Co-authored-by: Viacheslav Rostovtsev <58152857+viacheslav-rostovtsev@users.noreply.github.com>
Co-authored-by: André Andreassa <aandreassa@users.noreply.github.com>

Author: 3 people

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  "google-cloud-spanner": "2.27.0"
+  "google-cloud-spanner": "2.28.0"
 }

google-cloud-spanner/CHANGELOG.md

@@ -1,5 +1,19 @@
 # Release History
 
+### 2.28.0 (2025-10-22)
+
+#### Features
+
+* Add support for order_by and lock_hint options ([#182](https://github.com/googleapis/ruby-spanner/issues/182))
+ 
+#### Bug Fixes
+
+* use create Transaction when retrying when enumerating rows in `Spanner::Results` ([#191](https://github.com/googleapis/ruby-spanner/issues/191))
+* run explicit BeginTransaction in Client#transaction for mutation-only payloads ([#191](https://github.com/googleapis/ruby-spanner/issues/191))
+* Transaction#initialize is no longer incorrectly marked as public in documentation ([#191](https://github.com/googleapis/ruby-spanner/issues/191))
+* several field accessors in Partition are no longer incorrectly marked as public in documentation ([#191](https://github.com/googleapis/ruby-spanner/issues/191))
+* session keepalive uses Process.clock_gettime instead of Time.now ([#185](https://github.com/googleapis/ruby-spanner/pull/185)) 
+
 ### 2.27.0 (2025-05-28)
 
 #### Features

google-cloud-spanner/lib/google/cloud/spanner/version.rb

@@ -16,7 +16,7 @@
 module Google
   module Cloud
     module Spanner
-      VERSION = "2.27.0".freeze
+      VERSION = "2.28.0".freeze
     end
   end
 end