Update anycubic_mega_zero.def.json

Line 79: This value (0.3) is the default in firmware.
Line 80: The default setting (5) may be too small if you are using Linear Advance.

resources/definitions/anycubic_mega_zero.def.json

@@ -76,8 +76,8 @@
         "acceleration_enabled": { "value": false },
 
         "machine_max_jerk_xy": { "value": 10 },
-        "machine_max_jerk_z": { "value": 0.4 },
-        "machine_max_jerk_e": { "value": 5 },
+        "machine_max_jerk_z": { "value": 0.3 },
+        "machine_max_jerk_e": { "value": 15 },
         "jerk_print": { "value": 10 },
         "jerk_travel": { "value": "jerk_print" },
         "jerk_travel_layer_0": { "value": "jerk_travel" },