The Home Office is splashing out a staggering £1.2million a year to buy and maintain Channel rescue boats.The fleet, which patrols the English Channel, has aided the crossing of more than 70,000 small-boat migrants since Labour came to power in 2024.The £1.259million contract covers the rental of the crewed rigid-hull inflatable boats (RIBs) for a year, with an option to extend the deal for an additional two years.Labour has also signed a three-…