see also...
$ cd ~
$ mkdir work
$ cd work
$ git clone https://github.com/yoggy/gca_extend_expiretime.py.git
$ crontab -e
0 */4 * * * $HOME/work/gca_extend_expiretime/gca_extend_expiretime.py your_credentials.json 2>/dev/null >/dev/null
Copyright (c) 2022 yoggy
Released under the MIT license