[Upd] version 0.1.4 -> 0.1.5

Context

Update version

aidge_backend_opencv/__init__.py

 # Example 1: import .so generated by PyBind
 import aidge_core
-from aidge_backend_opencv.aidge_backend_opencv import *
+from aidge_backend_opencv.aidge_backend_opencv import * # import so generated by PyBind