update fa translation
update fa translation

Change-Id: I8472f4dd221aaeed99f06694913d10405391cf49
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/294203
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