Update CubeCell core dependency to 1.2.0

Author: Heltec-Aaron-Lee

platform.json

@@ -38,7 +38,7 @@
     "framework-arduinoasrmicro650x": {
       "type": "framework",
       "owner": "heltecautomation",
-      "version": "~1.1.0",
+      "version": "~1.2.0",
       "optional": true
     },
     "tool-cubecellelftool": {