Update Matrix chat URL to new link

README.md

@@ -13,7 +13,7 @@
 <a href="https://github.com/TeamNewPipe/NewPipe/actions" alt="Build Status"><img src="https://github.com/TeamNewPipe/NewPipe/workflows/CI/badge.svg?branch=dev&event=push"></a>
 <a href="https://hosted.weblate.org/engage/newpipe/" alt="Translation Status"><img src="https://hosted.weblate.org/widgets/newpipe/-/svg-badge.svg"></a>
 <a href="https://web.libera.chat/#newpipe" alt="IRC channel: #newpipe"><img src="https://img.shields.io/badge/IRC%20chat-%23newpipe-brightgreen.svg"></a>
-<a href="https://matrix.to/#/#newpipe:libera.chat" alt="Matrix channel: #newpipe"><img src="https://img.shields.io/badge/Matrix%20chat-%23newpipe-blue"></a>
+<a href="https://matrix.to/#/#newpipe:matrix.newpipe-ev.de" alt="Matrix channel: #newpipe"><img src="https://img.shields.io/badge/Matrix%20chat-%23newpipe-blue"></a>
 </p>
 <hr>
 <p align="center"><a href="#screenshots">Screenshots</a> &bull; <a href="#supported-services">Supported Services</a> &bull; <a href="#description">Description</a> &bull; <a href="#features">Features</a> &bull; <a href="#installation-and-updates">Installation and updates</a> &bull; <a href="#contribution">Contribution</a> &bull; <a href="#donate">Donate</a> &bull; <a href="#license">License</a></p>