Pontoon: Update Icelandic (is) localization of Common Voice
Pontoon: Update Icelandic (is) localization of Common Voice

Co-authored-by: Sveinn í Felli <30a262ee0cddf15a17abb23e11148aa362a8bb02@fellsnet.is>

common-voice/common-voice,common-voice/common-voice,common-voice/common-voice,common-voice/common-voice