Bump xunit.core from 2.2.0 to 2.4.1 in /A-vs-An
Bump xunit.core from 2.2.0 to 2.4.1 in /A-vs-An

Bumps [xunit.core](https://github.com/xunit/xunit) from 2.2.0 to 2.4.1.
- [Release notes](https://github.com/xunit/xunit/releases)
- [Commits](https://github.com/xunit/xunit/compare/2.2...2.4.1)
EamonNerbonne/a-vs-an,EamonNerbonne/a-vs-an,EamonNerbonne/a-vs-an,EamonNerbonne/a-vs-an