update nl translation
update nl translation

Change-Id: I418d026ff29da5cb93fbbfd5fc0bf73b08ef37d8
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/302892
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,instructure/canvas-lms