Bump xmlunit-legacy from 2.7.0 to 2.8.0
Bump xmlunit-legacy from 2.7.0 to 2.8.0

Bumps [xmlunit-legacy](https://github.com/xmlunit/xmlunit) from 2.7.0 to 2.8.0.
- [Release notes](https://github.com/xmlunit/xmlunit/releases)
- [Changelog](https://github.com/xmlunit/xmlunit/blob/main/RELEASE_NOTES.md)
- [Commits](https://github.com/xmlunit/xmlunit/compare/v2.7.0...v2.8.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
hazendaz/displaytag,hazendaz/displaytag,hazendaz/displaytag,hazendaz/displaytag