rename according to esphome convention

docs/addon_climate.md

@@ -142,8 +142,8 @@ substitutions:
   temp_min: "40"        # Min supported temperature is 40°F
   temp_max: "80"        # Max supported temperature is 80°F
   temp_step: "1"        # Temperature granularity is 1°F
-  cold_tolerance: "0.5" # lower set point
-  hot_tolerance: "0.5"  # upper set point
+  heat_deadband: "0.5"  # Temperature delta before engaging heat
+  heat_overrun: "0.5"   # Temperature delta before disengaging heat
 
 
 # Customization area

nspanel_esphome_addon_climate_heat.yaml

@@ -10,8 +10,8 @@
 substitutions:
   ### Local thermostat defaults ###
   temp_max: "25"
-  cold_tolerance: "0.5"
-  hot_tolerance: "0.5"
+  heat_deadband: "0.5"
+  heat_overrun: "0.5"
 
   ##### DO NOT CHANGE THIS #####
   addon_climate_heat: "true"
@@ -21,8 +21,8 @@ climate:
   - id: !extend thermostat_embedded
     min_heating_off_time: ${min_off_time}s
     min_heating_run_time: ${min_run_time}s
-    heat_deadband: ${cold_tolerance}
-    heat_overrun: ${hot_tolerance}
+    heat_deadband: ${heat_deadband}
+    heat_overrun: ${heat_overrun}
     heat_action:
       - switch.turn_on: relay_${heater_relay}
     preset: