Generator: Update SDK /services/sqlserverflex (#762)

* Generate sqlserverflex

* update changelogs

---------

Co-authored-by: Gökçe Gök Klingel <goekce.goek_klingel@mail.schwarz>

Author: stackit-pipeline

CHANGELOG.md

@@ -1,4 +1,8 @@
 ## Release (2024-XX-XX)
+- `sqlserverflex`: [v0.5.0](services/sqlserverflex/CHANGELOG.md#v050-2024-08-16)
+  - **Breaking change**:
+    - Fields in `GetBackupResponse` are not nested in an `Item` field (with type `Backup`) anymore
+    - `GetBackupResponse` have these new fields: `EndTime`, `Error`, `Id`, `Labels`, `Name`, `Options`, `Size`, `StartTime`
 - `loadbalancer`: [v0.15.0](services/loadbalancer/CHANGELOG.md#v0150-2024-08-08)
   - **Feature:** New API method `ListPlans` to list the available service plans
 - `iaas`: [v0.6.0](services/iaas/CHANGELOG.md#v060-2024-08-05)

services/sqlserverflex/CHANGELOG.md

@@ -1,6 +1,5 @@
-## v0.5.0 (2024-08-13)
+## v0.5.0 (2024-08-16)
 
-- **Feature:** Add support for nullable fields
 - **Breaking change**: 
   - Fields in `GetBackupResponse` are not nested in an `Item` field (with type `Backup`) anymore
   - `GetBackupResponse` have these new fields: `EndTime`, `Error`, `Id`, `Labels`, `Name`, `Options`, `Size`, `StartTime`