By Jessica Frank-Keyes Labour’s manifesto will contain an “iron-clad commitment” to rule out increases to national insurance, income tax or VAT, Rachel Reeves has revealed. The shadow Chancellor told The Sun on Sunday: “Our manifesto will contain an iron-clad commitment to working people that there will be no increase in national insurance, income tax or VAT.” It comes ahead of Labour’s manifesto launch later this week, expected to take place on Thursday, amid speculation she was under pressure to deliver a ‘revenue-raiser’ budget. The Guardian reported Reeves was “looking at” some 10 to 12 me…