Chore : Update setup.py to release version 1.5

Author: eggpig

setup.py

@@ -109,7 +109,7 @@ def build_extension(self, ext: CMakeExtension) -> None:
 CYTHON_STR = "Cython"
 setuptools.setup(
  name="Python-EasyGraph",
- version="1.4.6",
+ version="1.5",
  author="Fudan DataNET Group",
  author_email="mgao21@m.fudan.edu.cn",
  description="Easy Graph",