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

Change-Id: I465d73e712542abac3e8e37f9fa3017d2fa77c4b
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/238868
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