[xmlunit/xmlunit.net] 181b9b: document DiffBuilder change

[Stefan B. <no...@gi...>]

  Branch: refs/heads/main
  Home:   https://github.com/xmlunit/xmlunit.net
  Commit: 181b9bf6766dceb330c7297732bcb81457ab10e3
      https://github.com/xmlunit/xmlunit.net/commit/181b9bf6766dceb330c7297732bcb81457ab10e3
  Author: Stefan Bodewig <bo...@ap...>
  Date:   2023-04-10 (Mon, 10 Apr 2023)

  Changed paths:
    M RELEASE_NOTES.md

  Log Message:
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  document DiffBuilder change