Update esptoolpy to v3.0 // Resolve platformio#401

Author: valeros

platform.json

@@ -103,7 +103,7 @@
     "tool-esptoolpy": {
       "type": "uploader",
       "owner": "platformio",
-      "version": "~1.20600.0"
+      "version": "~1.30000.0"
     },
     "tool-mbctool": {
       "optional": true,