Updated cluster corrections

Update of the cluster corrections from Sasha (from !156 (closed)) (Same content as lhcb-conditions-database!119 (merged) )

mentioned in merge request lhcb-conditions-database!119 (merged)

added ready-to-merge label

assigned to @seaso

@seaso can you please merge this?

mentioned in issue lhcb/Boole#23 (closed)

This looks OK and runs OK through the chain. It is being merged.

merged

mentioned in commit e19059fb

mentioned in issue lhcb/Boole#24 (closed)

mentioned in merge request lhcb-conditions-database!140 (merged)