By gdive cli program.
Then you should test whether
sudo apt install p7zip-full
wget -O gdrive "https://drive.google.com/uc?id=1Ej8VgsW5RgK66Btb9p74tSdHMH3p4UNb&export=download"
folder_id in your google drive url, like this:
sudo apt install crontab
* * * * * /bin/bash /"$path_name"/"$folder_name"
You should custom your path.
:x save and exit.
Now you can wait 1 minute to check whether crontab working.
You can also custom backup time.
Crontab usage: https://www.geeksforgeeks.org/crontab-in-linux-with-examples/