Update setup.py

Author: VainF

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="torch-pruning",
-    version="v1.3.8",
+    version="v1.4.0",
     author="Gongfan Fang",
     author_email="gongfan@u.nus.edu",
     description="Towards Any Structural Pruning",