Update README.md

Author: patrickfav

README.md

@@ -28,7 +28,7 @@ to blindly paste code snippets from
 [m](https://stackoverflow.com/questions/1519736/random-shuffling-of-an-array)
 
 [![Maven Central](https://img.shields.io/maven-central/v/at.favre.lib/bytes)](https://mvnrepository.com/artifact/at.favre.lib/bytes)
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+[![Github Actions](https://github.com/patrickfav/bytes-java/actions/workflows/build_deploy.yml/badge.svg)](https://github.com/patrickfav/bytes-java/actions)
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