[xmlunit/xmlunit] 7fb288: fix year in release notes

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

  Branch: refs/heads/main
  Home:   https://github.com/xmlunit/xmlunit
  Commit: 7fb2889016197364d59d916f76b6bb6297da3ac9
      https://github.com/xmlunit/xmlunit/commit/7fb2889016197364d59d916f76b6bb6297da3ac9
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2021-10-17 (Sun, 17 Oct 2021)

  Changed paths:
    M RELEASE_NOTES.md

  Log Message:
  -----------
  fix year in release notes