update fa translation
update fa translation

Change-Id: I7ee3e1a82a9bddf45d427aa88c536d27a2bb898b
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/296020
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