By Simon Jessop and Jake Spring SHARM EL-SHEIKH, Egypt (Reuters) -More than 25 countries at the COP27 climate talks on Monday launched a group they said would ensure they hold each other accountable for a pledge to end deforestation by 2030, and announced billions of dollars to finance their efforts. The first meeting of the Forest and Climate Leaders’ Partnership, chaired by Ghana and the United States, takes place a year after more than 140 leaders promised at COP26 in Britain to end deforestation by the end of the decade. Progress since has been patchy, with only a few countries instituting…