[xmlunit/xmlunit] 39e8e9: update release notes for #203

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

  Branch: refs/heads/main
  Home:   https://github.com/xmlunit/xmlunit
  Commit: 39e8e9aade11f7f943fd3c20b8e7d8503fd869e0
      https://github.com/xmlunit/xmlunit/commit/39e8e9aade11f7f943fd3c20b8e7d8503fd869e0
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2020-11-11 (Wed, 11 Nov 2020)

  Changed paths:
    M RELEASE_NOTES.md

  Log Message:
  -----------
  update release notes for #203