update it translation
update it translation

Change-Id: Ie9b2eb8dab97c9e9861846cc63270ef5e275c323
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/254402
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>

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