Update Binder badge

Author: jtpio

README.md

@@ -1,7 +1,7 @@
 # Jupyter Renderers
 
 ![Github Actions Status](https://github.com/jupyterlab/jupyter-renderers/workflows/CI/badge.svg)
-[![Binder](https://beta.mybinder.org/badge.svg)](https://mybinder.org/v2/gh/jupyterlab/jupyter-renderers/master?urlpath=lab/tree/notebooks)
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/jupyterlab/jupyter-renderers/master?urlpath=lab/tree/notebooks)
 
 This is a
 [monorepo](https://github.com/lerna/lerna#what-does-a-lerna-repo-look-like) that