fix link for caf

Reviewed-by: Gode, Sebastian <sebastian.gode@t-systems.com>
Co-authored-by: tischrei <tino.schreiber@t-systems.com>
Co-committed-by: tischrei <tino.schreiber@t-systems.com>

otc_metadata/data/documents/ac-cloud-adoption-framework.yaml

@@ -1,6 +1,6 @@
 ---
 environment: public
-link: /architecture-center/cloud-adoption-framework/
+link: /architecture-center/caf/
 pdf_name: architecture-center-cloud-adoption-framework
 rst_location: doc/caf/source
 service_type: ac