update pt translation
update pt translation

Change-Id: I0ec66cc471a55121145325499e80027eb2a963ed
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/280702
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms