Pontoon: Update Maithili (mai) localization of Common Voice
Pontoon: Update Maithili (mai) localization of Common Voice

Co-authored-by: Sangeeta Kumari <2eed86d1f863b52c3978d3f02b42e96ca550fc2a@gmail.com>

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