chore(main): release activerecord-spanner-adapter 1.5.0 (#264)

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

Author: release-please[bot]

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "1.4.4"
+  ".": "1.5.0"
 }

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Changelog
 
+### 1.5.0 (2023-11-03)
+
+#### Features
+
+* Drop support for Ruby 2.6 ([#270](https://github.com/googleapis/ruby-spanner-activerecord/issues/270)) 
+* translate annotate to tags ([#267](https://github.com/googleapis/ruby-spanner-activerecord/issues/267)) 
+#### Documentation
+
+* update README to reference PGAdapter for PG ([#263](https://github.com/googleapis/ruby-spanner-activerecord/issues/263)) 
+* update README to reference PGAdapter for PG ([#263](https://github.com/googleapis/ruby-spanner-activerecord/issues/263)) ([#268](https://github.com/googleapis/ruby-spanner-activerecord/issues/268)) 
+
 ### 1.4.4 (2023-09-06)
 
 #### Bug Fixes

lib/activerecord_spanner_adapter/version.rb

@@ -5,5 +5,5 @@
 # https://opensource.org/licenses/MIT.
 
 module ActiveRecordSpannerAdapter
-  VERSION = "1.4.4".freeze
+  VERSION = "1.5.0".freeze
 end