update with use anchor

autolayoutCustomCell.swift

        //setup centerY with cell
        //let labelConstraintCenterY = NSLayoutConstraint(item: customLabel, attribute: .centerY, relatedBy: .equal, toItem: self, attribute: .centerY, multiplier: 1, constant: 0)
        //setup uilabel's height is equal 21
        //let labelConstraintHeight = NSLayoutConstraint(item: customLabel, attribute: .height, relatedBy: .equal, toItem: nil, attribute: .height, multiplier: 1.0, constant: 21)
        //self.addConstraints([labelConstraintCenterY])
        
        //Update use layout Anchor
        customLabel.centerYAnchor.constraint(equalTo: self.centerYAnchor).isActive = true
        customLabel.heightAnchor.constraint(equalToConstant: 21).isActive = true