Update README.md

Author: florian-huber

README.md

@@ -1,6 +1,6 @@
 ![GitHub](https://img.shields.io/github/license/matchms/ms2deepscore)
 [![PyPI](https://img.shields.io/pypi/v/ms2deepscore)](https://pypi.org/project/ms2deepscore/)
-![GitHub Workflow Status](https://img.shields.io/github/workflow/status/matchms/ms2deepscore/CI%20Build)
+![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/matchms/ms2deepscore/CI_build.yml?branch=main)
 [![SonarCloud Quality Gate](https://sonarcloud.io/api/project_badges/measure?project=matchms_ms2deepscore&metric=alert_status)](https://sonarcloud.io/dashboard?id=matchms_ms2deepscore)
 [![SonarCloud Coverage](https://sonarcloud.io/api/project_badges/measure?project=matchms_ms2deepscore&metric=coverage)](https://sonarcloud.io/component_measures?id=matchms_ms2deepscore&metric=Coverage&view=list)  
 [![DOI](https://zenodo.org/badge/310047938.svg)](https://zenodo.org/badge/latestdoi/310047938)