RFS (Update): gnome-dosage/2.1.8-1 -- Keep track of your treatments

Hey team.

I have updated gnome-dosage[1] package from 2.1.7-1 to 2.1.8-1	 in 
Salsa[2].
It just need tagging for unstable and upload.

Thank you.

[1](https://github.com/diegopvlk/Dosage/)
[2](https://salsa.debian.org/gnome-team/extras/gnome-dosage)

--
Danial Behzadi