update fr translation
update fr translation

Change-Id: I35e49ddbc800006557c2f6420e4c872d29e53656
Reviewed-on: https://gerrit.instructure.com/210690
Tested-by: Jenkins

djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms