Fx typo in rust roadmap (#4726)

Fixed typo from "Onwership" to "Ownership"

src/data/roadmaps/rust/rust.json

@@ -4402,7 +4402,7 @@
                   "y": "13",
                   "properties": {
                     "size": "17",
-                    "text": "Onwnership System"
+                    "text": "Ownership System"
                   }
                 }
               ]
@@ -8936,4 +8936,4 @@
   },
   "dependencies": [],
   "projectID": "file:///Users/kamrify/Desktop/New%20Roadmaps/Android%20Roadmap.bmpr"
-}
+}