Generator: Update SDK /services/stackitmarketplace (#3704)

Co-authored-by: Ruben Hoenle <[email protected]>

Author: stackit-pipeline

CHANGELOG.md

@@ -1,3 +1,7 @@
+## Release (2025-xx-xx)
+- `stackitmarketplace`: [v1.16.0](services/stackitmarketplace/CHANGELOG.md#v1160)
+  - **Breaking Change:** Remove unused `ProjectId` model struct 
+
 ## Release (2025-10-29)
 - `stackitmarketplace`: [v1.15.0](services/stackitmarketplace/CHANGELOG.md#v1150)
   - **Feature:** Add `EndUserLicenseAgreement`, `ProductDescription` and `ServiceLevelAgreement` attributes and add them to `Assets` struct

services/stackitmarketplace/CHANGELOG.md

@@ -1,4 +1,7 @@
-## v0.15.0
+## v1.16.0
+- **Breaking Change:** Remove unused `ProjectId` model struct 
+
+## v1.15.0
 - **Feature:** Add `EndUserLicenseAgreement`, `ProductDescription` and `ServiceLevelAgreement` attributes and add them to `Assets` struct
 
 ## v1.14.0

services/stackitmarketplace/VERSION

@@ -1 +1 @@
-v1.15.0
+v1.16.0