Bump `xmlunit.version` from 2.8.4 to 2.9.0 (#6218)
Bump `xmlunit.version` from 2.8.4 to 2.9.0 (#6218)

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
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