changed version to 2.40 to prepera new relase

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "dsiunits"  # Ensure this is correctly specified
-version = "2.3.4"
+version = "2.4.0"
 description = "This is a Python module for handling the SI units as objects in Python, parsing them from strings and converting them to Latex and Unicode, as well as performing math operations and calculating scale factors."
 authors = [
     { name="Benedikt Seeger", email="benedikt.seeger@ptb.de" },

setup.cfg

 [metadata]
 name = dsiUnits
-version = 2.3.4
+version = 2.4.0
 description = This is a Python module for handling the SI units as objects in Python, parsing them from strings and converting them to Latex and Unicode, as well as performing math operations and calculating scale factors.
 long_description = file: README.md