Fix Magic.json

Author: brentru

boards/fruitjam/magic.json

@@ -1,6 +1,6 @@
 {
   "exportVersion": "1.0.0",
-  "exportedBy": "brubell",
+  "exportedBy": "Adafruit",
   "exportedAt": "2025-08-13T17:48:53.128Z",
   "exportedFromDevice": {
     "board": "fruitjam",