Feature/add database migration to reset account type in account table (#2602)

* Set accountType to NULL

* Update changelog

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Added
+
+- Added a data migration to set `accountType` to `NULL` in the account database table
+
 ## 2.18.0 - 2023-11-05
 
 ### Added

prisma/migrations/20231105135400_set_value_of_account_type_to_null_in_account/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+UPDATE "Account" SET "accountType" = NULL;