In order to have an accurate date about the last activity of a User
we need to update the last_activity_on field when the User is visiting
some basic pages of GitLab like pages related to Dashboards, Projects,
Issues and Merge Requests
The pngquant tool was used https://pngquant.org, and particularly, the
following command:
/usr/bin/pngquant -f --skip-if-larger --ext .png --speed 1 image.png
Before: 47584K
After : 34924K
