Bump xunit.core from 2.1.0 to 2.4.1
Bump xunit.core from 2.1.0 to 2.4.1

Bumps [xunit.core](https://github.com/xunit/xunit) from 2.1.0 to 2.4.1.
- [Release notes](https://github.com/xunit/xunit/releases)
- [Commits](https://github.com/xunit/xunit/compare/2.1...2.4.1)
EamonNerbonne/ExpressionToCode