update uk translation
update uk translation

Change-Id: Ibe64f9c739da2adf2c739dcc5e70c8cb5a77d2fe
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/285501
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