Update CHANGELOG.md

Author: aidanharan

CHANGELOG.md

@@ -15,5 +15,6 @@
 - [#1313](https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/pull/1313) Correctly retrieve the SQL Server database version.
 - [#1320](https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/pull/1320) Fix SQL statement to calculate `updated_at` when upserting.
 - [#1327](https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/pull/1327) Fix multiple `nil` identity columns for merge insert.
+- [#1338](https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/pull/1338) Fix `insert_all`/`upsert_all` for table names containing numbers.
 
 Please check [8-0-stable](https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/blob/8-0-stable/CHANGELOG.md) for previous changes.