update pt translation
update pt translation

Change-Id: Ie94199594959aa96deeef8cd85473b27d414f040

sfu/canvas-lms,instructure/canvas-lms,HotChalk/canvas-lms,sfu/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,matematikk-mooc/canvas-lms,djbender/canvas-lms,matematikk-mooc/canvas-lms,HotChalk/canvas-lms,djbender/canvas-lms,SwinburneOnline/canvas-lms,instructure/canvas-lms,SwinburneOnline/canvas-lms,djbender/canvas-lms,SwinburneOnline/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,djbender/canvas-lms,instructure/canvas-lms,HotChalk/canvas-lms,HotChalk/canvas-lms,grahamb/canvas-lms,instructure/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,matematikk-mooc/canvas-lms,instructure/canvas-lms,matematikk-mooc/canvas-lms,SwinburneOnline/canvas-lms,venturehive/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,venturehive/canvas-lms,instructure/canvas-lms,sfu/canvas-lms