Rishi Sunak has declined to apologise for the mistakes of Liz Truss’s government that are expected to add billions of pounds of tax hikes and spending cuts to his budget.The Prime Minister instead insisted on Tuesday that he will make “difficult decisions that are required to fix” the missteps of his Conservative predecessor in No 10.Chancellor Jeremy Hunt is looking to find up to £60 billion from a combination of hikes and spending cuts in his autumn statement on Thursday.