Update puremagic from 1.7 to 1.8 (#1409)
Update puremagic from 1.7 to 1.8 (#1409)

Co-authored-by: Fábio Rosado <504d498c4e6912c88badf931727242f17b94f32f@gmail.com>
FabioRosado/opsdroid,jacobtomlinson/opsdroid,opsdroid/opsdroid