[automatic translation update] Updated 129 strings in 6 languages (bg, el, es, nb, ro, vi)

- Updated Bulgarian (4 changes / 92% translated)
- Updated Hellenic (8 changes / 99% translated)
- Updated Spanish (14 changes / 92% translated)
- Updated Norwegian Bokmål (25 changes / 58% translated)
- Updated Romanian (59 changes / 61% translated)
- Updated Vietnamese (19 changes / 90% translated)