Rollout PDF to public

Reviewed-by: Tino Schreiber <tino.schreiber@t-systems.com>
Co-authored-by: Sebastian Gode <sebastian.gode@telekom.de>
Co-committed-by: Sebastian Gode <sebastian.gode@telekom.de>

otc_metadata/data/documents/iam-best-practice.yaml

@@ -4,7 +4,7 @@ environment: internal
 html_location: docs/iam/best-practice
 link: /identity-access-management/best-practice/
 pdf_enabled: true
-pdf_environment: internal
+pdf_environment: public
 rst_location: doc/best-practice/source
 service_type: iam
 title: Best Practice