update fa translation
update fa translation

Change-Id: I9de587b68329d235f7a2fbd30cb5960353f71ce9
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/286360
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