chore: update version

Author: includeamin

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "diff"
-version = "0.1.0"
+version = "0.4.0"
 description = "A library to calculate diff between structured data"
 authors = [
     {name = "Amin Jamal",email = "includeamin@gmail.com"}