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

Change-Id: I6e0f070ef9d7c9488f0c25bcbac44faf10064933
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/254413
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