update pt translation
update pt translation

Change-Id: Icf4619d26f9bd9ff25003ead7d3f64079e041ce4
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/295384
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