By Jessica DiNapoli and Richa Naidu NEW YORK (Reuters) – Activist investor Nelson Peltz, who is on the board of Unilever Plc, has approached former CEOs of consumer goods companies as candidates for the top job at the Dove soap-maker, two sources familiar with the matter said. London-based Unilever is seeking a successor to CEO Alan Jope, who said last month he would retire at the end of 2023. Along with other consumer goods companies, Unilever has faced a surge in labor, freight and ingredients costs. It has tried preserving margins by hiking the prices it charges for its 400 brands, but has …