sync() default value fix

Author: Chaluvadi

arrayfire_wrapper/lib/create_and_modify_array/manage_device.py

@@ -427,7 +427,7 @@ def set_device(device_id: int, /) -> None:
     call_from_clib(set_device.__name__, device_id)
 
 
-def sync(device_id: int, /) -> None:
+def sync(device_id: int = -1, /) -> None:
     """
     Blocks until all operations on device are finished.