LONDON (Reuters) -Britain will pull out its 300 troops from a U.N. peacekeeping force in Mali following similar withdrawals this year by other Western nations, a government minister said on Monday. The early withdrawal comes after France and its military allies began withdrawing thousands of troops from Mali this year as the country’s military junta began collaborating with private contractors belonging to Russia’s Wagner Group. The Western withdrawals from Mali this year have caused fears among diplomats that this could increase violence, destabilise neighbours and embolden jihadists. British…