Convert sensor_schema to use kwargs (#2094)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/max31856/sensor.py

@@ -5,7 +5,6 @@ from esphome.const import (
     CONF_ID,
     CONF_MAINS_FILTER,
     DEVICE_CLASS_TEMPERATURE,
-    ICON_EMPTY,
     STATE_CLASS_MEASUREMENT,
     UNIT_CELSIUS,
 )
@@ -23,11 +22,10 @@ FILTER = {
 
 CONFIG_SCHEMA = (
     sensor.sensor_schema(
-        UNIT_CELSIUS,
-        ICON_EMPTY,
-        1,
-        DEVICE_CLASS_TEMPERATURE,
-        STATE_CLASS_MEASUREMENT,
+        unit_of_measurement=UNIT_CELSIUS,
+        accuracy_decimals=1,
+        device_class=DEVICE_CLASS_TEMPERATURE,
+        state_class=STATE_CLASS_MEASUREMENT,
     )
     .extend(
         {