update pt translation
update pt translation

Change-Id: I1d33ae901334e025885924fc5c179907290e0a80
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/279914
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