Update README.md

update zenodo link

Author: bgmeulem

README.md

@@ -15,7 +15,7 @@ Multi-scale modeling and analysis of *in vivo* neuron-network mechanisms
 )](https://github.com/mpinb/in_silico_framework/actions/workflows/test-isf-py38-pixi-macos.yml)
 [![docs](https://img.shields.io/github/actions/workflow/status/mpinb/in_silico_framework/pages/pages-build-deployment?style=flat-square&logo=sphinx&label=docs)](https://mpinb.github.io/in_silico_framework)
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