CVE-2021-29425 in commons-io 2.6

[anton-johansson]

Hey! I just discovered this project and I'm going to try and use it in one of mine. However, I also noticed that it has a dependency on commons-io version 2.6, which has a security issue, CVE-2021-29425.

This project is most likely not affected by the CVE, but it shows up here (among others):
https://mvnrepository.com/artifact/de.cronn/diff-to-html/1.6

... which might scare people off. 😃