update fr translation
update fr translation

Change-Id: Ibb2e6423997b0c5f1581f20c2a41177805a428e0
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/294327
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