Bump version to 4.3.3

Getting prepared for a release

esphome/nspanel_esphome_core.yaml

@@ -17,7 +17,7 @@ substitutions:
   invalid_cooldown: "100ms"
   bytes_per_char: "1"
   ##### DON'T CHANGE THIS ######
-  version: "4.3.3d1"
+  version: "4.3.3"
   ##############################
 
 ##### External components #####
@@ -27,7 +27,7 @@ external_components:
       # path: packages/Blackymas/components
       type: git
       url: https://github.com/Blackymas/NSPanel_HA_Blueprint
-      ref: dev  # To do: Change to tag when releasing
+      ref: v4.3.3
     components:
       - nspanel_ha_blueprint
     refresh: 300s