Fix CI badge (#305)

Author: ThexXTURBOXx

README.md

@@ -1,7 +1,7 @@
 # eciespy
 
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/2a11aeb9939244019d2c64bce3ff3c4e)](https://app.codacy.com/gh/ecies/py/dashboard)
-[![CI](https://img.shields.io/github/workflow/status/ecies/py/Build)](https://github.com/ecies/py/actions)
+[![CI](https://img.shields.io/github/actions/workflow/status/ecies/py/ci.yml?branch=master)](https://github.com/ecies/py/actions)
 [![Codecov](https://img.shields.io/codecov/c/github/ecies/py.svg)](https://codecov.io/gh/ecies/py)
 [![PyPI - Python Version](https://img.shields.io/pypi/pyversions/eciespy.svg)](https://pypi.org/project/eciespy/)
 [![PyPI](https://img.shields.io/pypi/v/eciespy.svg)](https://pypi.org/project/eciespy/)