[xmlunit/xmlunit.net] 24b723: prepare XMLUnit.NET 2.9.1

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

  Branch: refs/heads/main
  Home:   https://github.com/xmlunit/xmlunit.net
  Commit: 24b72328655351c95d3973dfecd09b3d8698d262
      https://github.com/xmlunit/xmlunit.net/commit/24b72328655351c95d3973dfecd09b3d8698d262
  Author: Stefan Bodewig <ste...@fr...>
  Date:   2021-12-16 (Thu, 16 Dec 2021)

  Changed paths:
    M RELEASE_NOTES.md
    M src/shared/CommonAssemblyInfo.cs

  Log Message:
  -----------
  prepare XMLUnit.NET 2.9.1