[GRASS-git] [OSGeo/grass-website] 283312: docker: Ubuntu images are based on Ubuntu 20.04

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-website
  Commit: 283312186bbd8069ed497583c127a2adc059bc89
      https://github.com/OSGeo/grass-website/commit/283312186bbd8069ed497583c127a2adc059bc89
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2022-06-13 (Mon, 13 Jun 2022)

  Changed paths:
    M content/download/docker.en.md

  Log Message:
  -----------
  docker: Ubuntu images are based on Ubuntu 20.04