build(magnum): use forked repo
diff --git a/internal/pkg/image_repositories/build_workflow.go b/internal/pkg/image_repositories/build_workflow.go
index 72a2ace..59fa915 100644
--- a/internal/pkg/image_repositories/build_workflow.go
+++ b/internal/pkg/image_repositories/build_workflow.go
@@ -9,6 +9,7 @@
 	"cinder":   true,
 	"horizon":  true,
 	"keystone": true,
+	"magnum":   true,
 }
 var EXTRAS map[string]string = map[string]string{}
 var PROFILES map[string]string = map[string]string{
diff --git a/magnum b/magnum
new file mode 160000
index 0000000..6e86579
--- /dev/null
+++ b/magnum
@@ -0,0 +1 @@
+Subproject commit 6e8657912c40fc56c243f1c300e36c629ce6b6c0