update pt translation
update pt translation

Change-Id: I570f06b249f1490fe1e27da10dd6ec4c2a48a4b6
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/270462
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