Add pdc api url

Signed-off-by: Clement Verna <cverna@tutanota.com>

inventory/group_vars/osbs-masters-stg

@@ -82,6 +82,9 @@ _osbs_reactor_config_map:
             keys: []
         default_signing_intent: "unsigned"
 
+    pdc:
+        api_url: "https://pdc.stg.fedoraproject.org/rest_api/v1/"
+
     image_labels:
       vendor: "{{ osbs_conf_vendor }}"
       authoritative-source-url: "{{ source_registry }}"