Update lib/database.types.ts

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: Gerome-Elassaad

lib/database.types.ts

@@ -86,7 +86,7 @@ export interface Fragment {
   template_id?: string
   is_public: boolean
   tags?: string[]
-  metadata?: Record<string, any>
+  metadata?: Json
   created_at: string
   updated_at: string
 }