LONDON — The British government has ordered an update of its defense and security review published last year and hopes to complete a revised plan by the end of 2022, Prime Minister Liz Truss has announced. Touted as the biggest defense review since the Cold War when it was unveiled in March 2021, Britain’s update of strategic aims and capabilities was overtaken by events following Russia’s invasion of Ukraine . “To ensure the U.K.’s diplomatic, military and security architecture is keeping pace