chore: update changelog for postgresflex

Author: bahkauv70

CHANGELOG.md

@@ -1,10 +1,38 @@
-## Release (XXXX-XX-XX)
-
+## Release (2024-12-16)
+- `postgresflex` **breaking changes**: Multiple functions now require a region parameter:
+  - `CloneInstanceExecute`
+  - `CreateDatabaseExecute`
+  - `CreateInstanceExecute`
+  - `CreateUserExecute`
+  - `DeleteDatabaseExecute`
+  - `DeleteInstanceExecute`
+  - `DeleteUserExecute`
+  - `DisableServiceExecute`
+  - `ForceDeleteInstanceExecute`
+  - `GetBackupExecute`
+  - `GetInstanceExecute`
+  - `GetUserExecute`
+  - `ListBackupsExecute`
+  - `ListDatabaseParametersExecute`
+  - `ListDatabasesExecute`
+  - `ListFlavorsExecute`
+  - `ListInstancesExecute`
+  - `ListMetricsExecute`
+  - `ListStoragesExecute`
+  - `ListUsersExecute`
+  - `ListVersionsExecute`
+  - `PartialUpdateInstanceExecute`
+  - `PartialUpdateUserExecute`
+  - `ResetUserExecute`
+  - `UpdateBackupScheduleExecute`
+  - `UpdateInstanceExecute`
+  - `UpdateUserExecute`
 - `serverupdate`: [v0.2.2](services/serverupdate/CHANGELOG.md#v022-2024-12-02)
   - **Bugfix:** `Id` field of `Update` model is now of type `int64` (was `string`)
 - `serviceenablement`: [v0.4.0](services/serviceenablement/CHANGELOG.md#v040-2024-12-05)
   - **Feature:** Add support for region eu02
 
+
 ## Release (2024-11-29)
 
 - `serverbackup`: [v0.4.0](services/serverbackup/CHANGELOG.md#v040-2024-11-26)