docs(readme): replace score badge

README.md

@@ -1,4 +1,4 @@
-[![pub score](https://github.com/benthillerkus/betrayal/actions/workflows/score.yml/badge.svg?branch=main)](https://pub.dev/packages/betrayal/score)
+[![pub score](https://badges.bar/betrayal/pub%20points)](https://pub.dev/packages/betrayal/score)
 [![pub version (including pre-releases)](https://img.shields.io/pub/v/betrayal?include_prereleases)](https://pub.dev/packages/betrayal/versions)
 [![joke shield[^1]](https://img.shields.io/badge/supports-windows%202000*-blue)](#)
 [![pub publisher](https://img.shields.io/pub/publisher/betrayal)](https://pub.dev/publishers/bent.party/packages)