Update library.json - bump version to 3.6.1

Author: tyeth

library.json

@@ -2,7 +2,7 @@
     "name": "Adafruit TinyUSB Library",
     "keywords": "usb, arduino, tinyusb",
     "description": "Arduino library for TinyUSB",
-    "version": "3.6.0",
+    "version": "3.6.1",
     "repository": {
         "type": "git",
         "url": "https://github.com/adafruit/Adafruit_TinyUSB_Arduino.git"