Update README.md

[ci skip]

README.md

@@ -1,7 +1,7 @@
 ![cryptomator](cryptomator.png)
 
 [![Build Status](https://travis-ci.org/cryptomator/cryptomator.svg?branch=master)](https://travis-ci.org/cryptomator/cryptomator)
-[![Coverity Scan Build Status](https://scan.coverity.com/projects/cryptomator-cryptomator/badge.svg?flat=1)](https://scan.coverity.com/projects/cryptomator-cryptomator)
+[![Known Vulnerabilities](https://snyk.io/test/github/cryptomator/cryptomator/badge.svg?targetFile=main%2Fpom.xml)](https://snyk.io/test/github/cryptomator/cryptomator?targetFile=main%2Fpom.xml)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/2a0adf3cec6a4143b91035d3924178f1)](https://www.codacy.com/app/cryptomator/cryptomator?utm_source=github.com&utm_medium=referral&utm_content=cryptomator/cryptomator&utm_campaign=Badge_Grade)
 [![Twitter](https://img.shields.io/badge/twitter-@Cryptomator-blue.svg?style=flat)](http://twitter.com/Cryptomator)
 [![POEditor](https://img.shields.io/badge/POEditor-Help%20Translate-blue.svg?style=flat)](https://poeditor.com/join/project/bHwbvJmx0E)