Update README.md

Author: Jason2866

README.md

@@ -19,7 +19,7 @@ Espressif Systems is a privately held fabless semiconductor company. They provid
 
 ```ini
 [env:stable]
-platform = https://github.com/tasmota/platform-espressif32/releases/download/v2.0.4.1/platform-espressif32-2.0.4.1.zip
+platform = https://github.com/tasmota/platform-espressif32/releases/download/v2.0.5/platform-espressif32-2.0.5.zip
 board = ...
 ...
 ```