[GRASS-git] [OSGeo/grass] 5c5f3c: Happy new year 2024 (backport of #3407)

[Martin Landa]

  Branch: refs/heads/releasebranch_8_3
  Home:   https://github.com/OSGeo/grass
  Commit: 5c5f3c147d940b0e8b988f6ff6039bd19bf2af1f
      https://github.com/OSGeo/grass/commit/5c5f3c147d940b0e8b988f6ff6039bd19bf2af1f
  Author: Martin Landa <landa.martin at gmail.com>
  Date:   2024-02-07 (Wed, 07 Feb 2024)

  Changed paths:
    M Makefile
    M REQUIREMENTS.md
    M configure.ac
    M grasslib.dox
    M include/VERSION
    M include/grass/gis.h
    M lib/gis/env.c
    M lib/gis/gislib_cmdline_parsing.dox
    M lib/gis/parser_html.c
    M lib/init/grass.py
    M lib/init/grass.sh
    M man/build_graphical_index.py
    M man/build_html.py
    M man/build_rest.py
    M man/sphinx/conf.py
    M python/grass/docs/conf.py
    M python/grass/script/core.py
    M python/grass/script/setup.py
    M utils/mkhtml.py

  Log Message:
  -----------
  Happy new year 2024 (backport of #3407)

* update copyright year in various files

---------

Co-authored-by: Markus Neteler <neteler at osgeo.org>