[GRASS-git] [OSGeo/grass-website] eb5587: fix FOSS4G link -> 2023 (#367)

[Martin Landa]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-website
  Commit: eb5587ce3d4533e126982c204adbb6dbe6885678
      https://github.com/OSGeo/grass-website/commit/eb5587ce3d4533e126982c204adbb6dbe6885678
  Author: Martin Landa <landa.martin at gmail.com>
  Date:   2023-06-04 (Sun, 04 Jun 2023)

  Changed paths:
    M themes/grass/layouts/partials/foss4g.html

  Log Message:
  -----------
  fix FOSS4G link -> 2023 (#367)