rename sonarcloud.yml to coverage.yml

Should have been done in #877.

Author: egpbos

.github/workflows/sonarcloud.yml .github/workflows/coverage.yml.github/workflows/sonarcloud.yml renamed to .github/workflows/coverage.yml

@@ -44,7 +44,7 @@ affiliations:
 
 [![build](https://github.com/dianna-ai/dianna/actions/workflows/build.yml/badge.svg)](https://github.com/dianna-ai/dianna/actions/workflows/build.yml)
 [![Documentation Status](https://readthedocs.org/projects/dianna/badge/?version=latest)](https://dianna.readthedocs.io/en/latest/?badge=latest)
-[![coverage](https://raw.githubusercontent.com/dianna-ai/dianna/badges/coverage.svg)](https://github.com/dianna-ai/dianna/actions/workflows/sonarcloud.yml)
+[![coverage](https://raw.githubusercontent.com/dianna-ai/dianna/badges/coverage.svg)](https://github.com/dianna-ai/dianna/actions/workflows/coverage.yml)
 [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/5542/badge)](https://bestpractices.coreinfrastructure.org/projects/5542)
 [![fair-software.eu](https://img.shields.io/badge/fair--software.eu-%E2%97%8F%20%20%E2%97%8F%20%20%E2%97%8F%20%20%E2%97%8F%20%20%E2%97%8F-green)](https://fair-software.eu)
 [![DOI](https://joss.theoj.org/papers/10.21105/joss.04493/status.svg)](https://doi.org/10.21105/joss.04493)