docs: update version

Author: Mazzya

README.md

@@ -3,7 +3,7 @@ Currently, QubiPy is in a very early development phase, so please take this into
 
 Please visit the [Change log](https://github.com/QubiPy-Labs/QubiPy/blob/main/docs/changelog.md) to see all changes.
 
-![release](https://img.shields.io/badge/release-v0.4.0--beta-blue)
+![release](https://img.shields.io/badge/release-v0.4.1--beta-blue)
 ![python](https://img.shields.io/badge/python-3.10_%7C_3.11_%7C_3.12-blue)
 ![Python Package](https://github.com/QubiPy-Labs/QubiPy/actions/workflows/python-package.yml/badge.svg)
 ![Code Quality](https://github.com/QubiPy-Labs/QubiPy/actions/workflows/pylint.yml/badge.svg)

setup.py

@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-__version__ = '0.4.0'
+__version__ = '0.4.1'
 
 
 with open("README.md", "r", encoding="utf-8") as fh: