pio: update platform_latest

Build with Core 3.0.2 release

code/platformio.ini

@@ -35,12 +35,12 @@ extra_configs =
 #   arduino core 2.7.2 = espressif8266@2.6.0
 #   arduino core 2.7.3 = espressif8266@2.6.1
 #   arduino core 2.7.4 = espressif8266@2.6.3 (platform)
-#   arduino core 3.0.1 = espressif8266@3.1.0 (platform_latest)
+#   arduino core 3.0.2 = espressif8266@3.2.0 (platform_latest)
 #
 # ------------------------------------------------------------------------------
 
 platform = espressif8266@2.6.3
-platform_latest = espressif8266@3.1.0
+platform_latest = espressif8266@3.2.0
 
 # ------------------------------------------------------------------------------
 # FLASH SIZE: