session: suffix `UTF-8` to locale
session: suffix `UTF-8` to locale

cc @ekmartin @heathervv

rickycodes/hyper,zeit/hyper,whitelynx/hyperterm,stefanivic/hyper,rickycodes/hyper,zeit/hyperterm,stefanivic/hyper,ppot/hyper,mike-engel/hyperterm,MartyGentillon/hyper,spncrgr/hyper,ekmartin/hyperterm,chabou/hyper,whitelynx/hyperterm,wilsontayar/hyper,zeit/hyper,zeit/hyperterm,wilsontayar/hyper,chabou/hyper,chabou/hyper,zeit/hyper,reslaurentii/hyper,martinvd/hyper,MartyGentillon/hyper,mike-engel/hyperterm,KunalKene1797/hyper,bekher/hyperterm,KunalKene1797/hyper,ppot/hyper,spncrgr/hyper,derrickpelletier/hyper,reslaurentii/hyper,derrickpelletier/hyper,AlmirKadric/hyperterm,ppot/hyper,martinvd/hyper,AlmirKadric/hyperterm,zeit/hyper,ekmartin/hyperterm,bekher/hyperterm