Engineering Services Market Size, Share & Industry Analysis, By Services (Software Product Engineering, Embedded Engineering, Mechanical Engineering, Network Engineering, and Manufacturing Engineering), By Vendor Category (Broadbased and Pureplay), By Industry Vertical (Automotive & Mobility, Healthcare & Life Science, Manufacturing & Mining, BFSI, Retail & Consumer goods, Aerospace & Defense, IT & Telecom, and Others (Media & Entertainment)), and Regional Forecast, 2026–2034