[GRASS-git] [OSGeo/grass-addons] 2a85da: Update contributors.csv

[Isaac Ullah]

  Branch: refs/heads/isaacullah-patch-1
  Home:   https://github.com/OSGeo/grass-addons
  Commit: 2a85da9aacf76b9ef6d0a417e37d0cf298433da6
      https://github.com/OSGeo/grass-addons/commit/2a85da9aacf76b9ef6d0a417e37d0cf298433da6
  Author: Isaac Ullah <isaaciullah at gmail.com>
  Date:   2023-02-07 (Tue, 07 Feb 2023)

  Changed paths:
    M contributors.csv

  Log Message:
  -----------
  Update contributors.csv

Updated my email address.