Update custom_version to 1.0.3

Author: t0mg

platformio.ini

@@ -10,7 +10,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [common]
-custom_version = 1.0.2
+custom_version = 1.0.3
 platform = espressif32
 framework = arduino
 monitor_speed = 115200
@@ -84,4 +84,4 @@ build_flags =
   -DSYS_EN=GPIO_NUM_41
   -DSYS_OUT=GPIO_NUM_40
   ; Battery monitor
-  -DBATTERY_VOLTAGE_PIN=GPIO_NUM_1
+  -DBATTERY_VOLTAGE_PIN=GPIO_NUM_1