By David Milliken LONDON (Reuters) – Britain’s lowest-paid workers have seen the biggest squeeze on their pay over the past 12 months, according to figures on Tuesday which suggest the cost of living crisis is likely to prove even more painful than headline figures imply. British consumer price inflation hit a nearly 30-year high of 5.5% in January and is forecast by economists to reach 8% in April, boosted by a 50% rise in household regulated energy tariffs on top of the impact of Russia’s invasion of Ukraine. Britain’s main measure of wages – average weekly earnings – is already struggling t…