README: update tutorials test badge

README.md

@@ -1,4 +1,4 @@
-[![Docs](https://github.com/navis-org/navis/actions/workflows/build-docs.yml/badge.svg)](https://github.com/navis-org/navis/actions/workflows/build-docs.yml) [![Tests](https://github.com/navis-org/navis/actions/workflows/test-package.yml/badge.svg)](https://github.com/navis-org/navis/actions/workflows/test-package.yml) [![Run notebooks](https://github.com/navis-org/navis/actions/workflows/notebooktest-package.yml/badge.svg)](https://github.com/navis-org/navis/actions/workflows/notebooktest-package.yml) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/navis-org/navis/blob/master/examples/colab.ipynb) [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.8191725.svg)](https://zenodo.org/doi/10.5281/zenodo.4699382) [![Downloads](https://pepy.tech/badge/navis)](https://pepy.tech/project/navis)
+[![Docs](https://github.com/navis-org/navis/actions/workflows/build-docs.yml/badge.svg)](https://github.com/navis-org/navis/actions/workflows/build-docs.yml) [![Tests](https://github.com/navis-org/navis/actions/workflows/test-package.yml/badge.svg)](https://github.com/navis-org/navis/actions/workflows/test-package.yml) [![Test tutorials](https://github.com/navis-org/navis/actions/workflows/test-tutorials.yml/badge.svg)](https://github.com/navis-org/navis/actions/workflows/test-tutorials.yml) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/navis-org/navis/blob/master/examples/colab.ipynb) [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.8191725.svg)](https://zenodo.org/doi/10.5281/zenodo.4699382) [![Downloads](https://pepy.tech/badge/navis)](https://pepy.tech/project/navis)
 
 <img src="https://github.com/navis-org/navis/raw/master/docs/_static/logo_new.png" height="150">