Generator: Update SDK /services/cdn (#5979)

Co-authored-by: Ruben Hoenle <Ruben.Hoenle@stackit.cloud>

Author: stackit-pipeline

CHANGELOG.md

@@ -17,6 +17,9 @@
     - Deprecated SDK layer in root of the module:
       - **Feature:** Add field `SkipDnsCheck` to model struct `PutCustomDomainCustomCertificate`, `GetCustomDomainCustomCertificate`
       - **Feature:** Add field `CertificateType` to model struct `Domain`
+  - [v1.13.0](services/cdn/CHANGELOG.md#v1130)
+    - **Bugfix:** Disable strict decoding of API responses
+    - **Feature:** Add `AdditionalProperties` fields to model structs
 - `certificates`: [v1.4.1](services/certificates/CHANGELOG.md#v141) 
   - **Dependencies:** Bump STACKIT SDK core module from `v0.22.0` to `v0.23.0`
 - `edge`: [v0.6.1](services/edge/CHANGELOG.md#v061) 

services/cdn/CHANGELOG.md

@@ -1,3 +1,7 @@
+## v1.13.0
+- **Bugfix:** Disable strict decoding of API responses
+- **Feature:** Add `AdditionalProperties` fields to model structs
+
 ## v1.12.0
 - `v1api`: 
   - **Feature:** Add field `SkipDnsCheck` to model struct `PutCustomDomainCustomCertificate`, `GetCustomDomainCustomCertificate`

services/cdn/VERSION

@@ -1 +1 @@
-v1.12.0
+v1.13.0