Update library.properties

Fix that library version was not correct.

Author: ciniml

library.properties

@@ -1,10 +1,10 @@
 name=WireGuard-ESP32
-version=0.1.1
+version=0.1.2
 author=Kenta Ida
 maintainer=Kenta Ida <[email protected]>
 sentence=WireGuard implementation for Arduino ESP32
 paragraph=
 category=Communication
 url=https://github.com/ciniml/WireGuard-ESP32-Arduino
 includes=WireGuard-ESP32.h
-architectures=esp32
+architectures=esp32