update nl translation
update nl translation

Change-Id: I89ad94cf7a74a8888c1bd14438fbffff7044a8fe
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/236819
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