By Alistair Smout LONDON (Reuters) – British Prime Minister Rishi Sunak and his Japanese counterpart Fumio Kishida will sign a defence agreement in London on Wednesday that will allow the countries to deploy forces on each other’s soil, the latest move towards closer security ties. Kishida and Sunak will sign the reciprocal access defence agreement, agreed in principle last May, a month after the two countries teamed up with Italy on a new fighter jet programme. The visit and agreement form part of Britain’s Indo-Pacific tilt in foreign policy strategy as it builds security and trade ties in t…