fix: fix catalog onboarding (#3)

Author: daniel-butler-irl

.catalog-onboard-pipeline.yaml

@@ -6,7 +6,7 @@ offerings:
     catalog_id: 7df1e4ca-d54c-4fd0-82ce-3d13247308cd
     offering_id: 5f33db8b-9758-4099-80c3-8683b9475946
     variations:
-      - name: Standard
+      - name: standard
         mark_ready: false
         install_type: fullstack
         format_kind: stack