update th translation
update th translation

Change-Id: I7d2b5cd2a25bb50dd109545585588b109ea9be93
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/280455
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