update da translation
update da translation

Change-Id: I7356ac2f701465102fc7d42a4eed7f995b403c8d
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/244085
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

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