Update c2 compile skeleton

Author: Jason2866

platform.json

@@ -45,7 +45,7 @@
       "type": "framework",
       "optional": true,
       "owner": "espressif",
-      "version": "https://github.com/pioarduino/platform-espressif32/releases/download/53.03.10-rc3/c2_arduino_compile_skeleton.zip"
+      "version": "https://github.com/pioarduino/platform-espressif32/releases/download/54.03.20/c2_arduino_compile_skeleton.zip"
     },
     "framework-espidf": {
       "type": "framework",