Pontoon: Update Bengali (bn) localization of Common Voice
Pontoon: Update Bengali (bn) localization of Common Voice

Co-authored-by: S M Sarwar Nobin <8910558cfbb75e2a10e7fdd59b66d74be876fbfa@gmail.com>
Co-authored-by: আফতাবুজ্জামান <275be63146951afeadc6377392a645aa7a7b638f@gmail.com>

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