Merge tag 'v8.3.0' into develop

Bump version to 8.3.0

Author: valeros

platform.json

@@ -20,7 +20,7 @@
     "type": "git",
     "url": "https://github.com/platformio/platform-atmelsam.git"
   },
-  "version": "8.2.1",
+  "version": "8.3.0",
   "frameworks": {
     "arduino": {
       "package": "framework-arduino-sam",