By Lucia Mutikani WASHINGTON (Reuters) – U.S. annual consumer prices jumped 9.1% in June, the largest increase in more than four decades, leaving Americans to dig deeper to pay for gasoline, food, healthcare and rents, and the Federal Reserve most certain to hike interest rates by another 75 basis points at the end of the month. The bigger-than-expected rise in the year-on-year consumer price index reported by the Labor Department on Wednesday also reflected higher prices for a range of other goods and services, including motor vehicles, apparel and household furniture. The CPI increased by th…