Update Arduino core to v2.0.11

- Added several new boards (including Nano ESP32) // Resolves #1162
- Added DFU upload method via dfu-util for the new Arduino Nano ESP32
- Updated IDF version to v4.4.5 for mixed Arduino/IDF projects

boards/m5stamp-pico.json

@@ -0,0 +1,34 @@
+{
+  "build": {
+    "arduino":{
+      "ldscript": "esp32_out.ld"
+    },
+    "core": "esp32",
+    "extra_flags": "-DARDUINO_M5Stamp_Pico",
+    "f_cpu": "240000000L",
+    "f_flash": "40000000L",
+    "flash_mode": "dio",
+    "mcu": "esp32",
+    "variant": "m5stack_stamp_pico"
+  },
+  "connectivity": [
+    "wifi",
+    "bluetooth",
+    "ethernet",
+    "can"
+  ],
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "M5Stamp-Pico",
+  "upload": {
+    "flash_size": "4MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 4194304,
+    "require_upload_port": true,
+    "speed": 1500000
+  },
+  "url": "https://shop.m5stack.com/products/m5stamp-pico-mate-with-pin-headers",
+  "vendor": "M5Stack"
+}