Update zenodo

Co-authored-by: Maxime U. Garcia <maxime.garcia@seqera.io>

README.md

 # ![nf-core/hic](docs/images/nf-core-hic_logo_light.png#gh-light-mode-only) ![nf-core/hic](docs/images/nf-core-hic_logo_dark.png#gh-dark-mode-only)
 
-[![AWS CI](https://img.shields.io/badge/CI%20tests-full%20size-FF9900?labelColor=000000&logo=Amazon%20AWS)](https://nf-co.re/hic/results)[![Cite with Zenodo](http://img.shields.io/badge/DOI-10.5281/zenodo.XXXXXXX-1073c8?labelColor=000000)](https://doi.org/10.5281/zenodo.XXXXXXX)
+[![AWS CI](https://img.shields.io/badge/CI%20tests-full%20size-FF9900?labelColor=000000&logo=Amazon%20AWS)](https://nf-co.re/hic/results)[![Cite with Zenodo](http://img.shields.io/badge/DOI-10.5281/zenodo.2669512-1073c8?labelColor=000000)](https://doi.org/10.5281/zenodo.2669512)
 
 [![Nextflow](https://img.shields.io/badge/nextflow%20DSL2-%E2%89%A522.10.1-23aa62.svg)](https://www.nextflow.io/)
 [![run with conda](http://img.shields.io/badge/run%20with-conda-3EB049?labelColor=000000&logo=anaconda)](https://docs.conda.io/en/latest/)