change to DOI from webhook

Author: jmckenna

Diff for: README.md

@@ -4,7 +4,7 @@ MapServer
 [![Build Status](https://github.com/mapserver/mapserver/actions/workflows/build.yml/badge.svg)](https://github.com/mapserver/mapserver/actions?query=workflow%3A%22build%22+branch%3Amain)
 [![Appveyor Build Status](https://ci.appveyor.com/api/projects/status/vw1n07095a8bg23u?svg=true)](https://ci.appveyor.com/project/mapserver/mapserver)
 [![Coveralls Status](https://coveralls.io/repos/github/MapServer/MapServer/badge.svg?branch=main)](https://coveralls.io/github/MapServer/MapServer?branch=main)
-[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.5842012.svg)](https://doi.org/10.5281/zenodo.5842012)
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.6994443.svg)](https://doi.org/10.5281/zenodo.6994443)
 
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 Summary