Tech companies have disclosed plans to slash more than 1,000 additional jobs in the Bay Area, cutbacks that suggest the high-tech sector in the region is off to an ominous start in 2024, official state notices show. LinkedIn, a work- and career-oriented social network; Cruise, a self-driving car company; and Carbon, a 3-D digital printing firm, are among the tech companies to officially reveal the local impact of layoffs they have been planning, documents on file with the state Employment Development Department. Here are the details of the impact on the Bay Area job market of the layoffs in WA…