Fix the xos-gui-builder name label to match new name

Change-Id: Ic777e38db13392e72ec2422404b6bac10ca2ba9f
diff --git a/Dockerfile.xos-gui-builder b/Dockerfile.xos-gui-builder
index 93d4fa5..32508ca 100644
--- a/Dockerfile.xos-gui-builder
+++ b/Dockerfile.xos-gui-builder
@@ -31,7 +31,7 @@
  && npm run typings
 
 ARG org_label_schema_schema_version=1.0
-ARG org_label_schema_name=xos-gui-extension-builder
+ARG org_label_schema_name=xos-gui-builder
 ARG org_label_schema_version=unknown
 ARG org_label_schema_vcs_url=unknown
 ARG org_label_schema_vcs_ref=unknown