LONDON — England’s 1,000-year-old legal system — still steeped in traditions that include wearing wigs and robes — has taken a cautious step into the future by giving judges permission to use artificial intelligence to help produce rulings.The Courts and Tribunals Judiciary last month said AI could help write opinions but stressed it shouldn’t be used for research or legal analyses because the technology can fabricate information and provide misleading, inaccurate and biased information.&ldquo …