update sv-x-k12 translation
update sv-x-k12 translation

Change-Id: I7efefe1b51cbe36f264f9070d0ef3b4c6c100c58
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/293069
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms