Set the version on main to 0.4.0 (#460)

* fix version

* version

Author: h-mayorquin

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "probeinterface"
-version = "0.3.2"
+version = "0.4.0"
 authors = [
   { name="Samuel Garcia", email="sam.garcia.die@gmail.com" },
   { name="Alessio Buccino", email="alessiop.buccino@gmail.com" },