Update Scottish Gaelic translation
Update Scottish Gaelic translation

(cherry picked from commit 88ff20cf8aa8252c0bdf6312195331fed5794486)

thestinger/vte-ng,saitoha/vte-sixel,thestinger/vte-ng,thestinger/vte-ng,saitoha/vte-sixel,saitoha/vte-sixel