[mapserver-commits] [MapServer/MapServer] 0f7e72: change migration guide to markdown (#6821)

[github-actions[bot]]

  Branch: refs/heads/branch-8-0
  Home:   https://github.com/MapServer/MapServer
  Commit: 0f7e724e4a2e750329e00cdb0782ae4cd71a4d98
      https://github.com/MapServer/MapServer/commit/0f7e724e4a2e750329e00cdb0782ae4cd71a4d98
  Author: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
  Date:   2023-02-05 (Sun, 05 Feb 2023)

  Changed paths:
    A MIGRATION_GUIDE.md
    R MIGRATION_GUIDE.txt

  Log Message:
  -----------
  change migration guide to markdown (#6821)

Co-authored-by: Jeff McKenna <jmckenna at gatewaygeomatics.com>