Update eazao_zero_extruder_0.def.json

We changed the nozzle to 1.6.

resources/extruders/eazao_zero_extruder_0.def.json

@@ -10,7 +10,7 @@
     "overrides":
     {
         "extruder_nr": { "default_value": 0 },
-        "machine_nozzle_size": { "default_value": 1.5 },
+        "machine_nozzle_size": { "default_value": 1.6 },
         "material_diameter": { "default_value": 1.75 }
     }
-}
+}