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

Change-Id: I9b0f9e6ce038c8e19898e522b82c639aec8c9892
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/284027
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