By Parisa Hafezi DUBAI (Reuters) -Iran Supreme Leader Ayatollah Ali Khamenei on Friday said that no one should dare think they can uproot the Islamic Republic, in his toughest warning to protesters since Mahsa Amini’s death in police custody ignited nationwide unrest now in its fourth week. Demonstrations by people from all walks of life, after the Iranian Kurdish woman’s death following her arrest for “inappropriate attire”, have evolved into widespread calls for the downfall of Khamenei and “Death to the Islamic Republic”. The protests mark one of the boldest challenges to clerical rule sinc…