update fa translation
update fa translation

Change-Id: If19e8e398ed9c8909b3d1c684604489f2ba39637
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/293912
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