update fa translation
update fa translation

Change-Id: I80b062365343f2fa670af3986950d5a3457b92cb
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/293810
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