[upload.py] Update the "updated" time on docs
[upload.py] Update the "updated" time on docs

The documentation page at User:APerson/delsort has a {{start date and age}} showing when the script was last updated, so let's update that automatically too.

APerson241/delsort,JJMC89/delsort,JJMC89/delsort,APerson241/delsort