chore: make cybergraph public subgraph so it's included in production build

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: mastercyb

subgraphs/cybergraph.md

@@ -1,7 +1,7 @@
 ---
 name: cybergraph
 repo: cybergraph
-visibility: private
+visibility: public
 archived: false
 ---