Update learn.json

Author: alesanchezr

learn.json

@@ -26,7 +26,7 @@
     "batch":"https://breathecode.herokuapp.com/v1/assignment/me/telemetry"
 },
 "editor": {
-    "version": "4.0.0"
+    "version": "3.4.0"
 },
 "video": {
     "intro": {