ESPHome version update

* `2023.10.0` is now minimally required version, to avoid crashing at
   startup when winter mode enabled and address Pillow security
   vulnerability
* Updated icon for winter mode switch

controllers.yaml

@@ -2,8 +2,9 @@
 # Copyright (c) 2023 Ilia Sotnikov
 ---
 esphome:
-  # Required for proper resume handling
-  min_version: '2023.7.0'
+  # Required for proper resume handling and avoiding crash at startup when
+  # winter mode enabled
+  min_version: '2023.10.0'
 
 sprinkler:
   - id: lawn_sprinklers
@@ -194,6 +195,7 @@ switch:
   - platform: template
     id: winter_mode
     name: "Winter mode"
+    icon: "mdi:snowflake"
     optimistic: true
     restore_mode: RESTORE_DEFAULT_OFF
     entity_category: config

main.yaml

@@ -35,11 +35,6 @@ packages:
   time: !include time.yaml  # Optional
   rtc: !include rtc.yaml  # Optional
 
-# Both recent ESPHome version and PR below are needed to avoid crashing at
-# startup when winter mode enabled
+# 2023.10.0 addresses Pillow security vulnerability
 esphome:
-  min_version: 2023.9.3
-
-external_components:
-  - source: github://pr#5499
-    components: [sprinkler]
+  min_version: '2023.10.0'

requirements.txt

@@ -1,2 +1 @@
-esphome>=2023.7.0
-pillow~=9.5
+esphome>=2023.10.0