GCC Waste Management Market Size, Share & Industry Analysis, By Waste Type (Municipal Solid Waste, Construction and Demolition Waste, Industrial Hazardous Waste, Medical Hazardous Waste, Waste of Electrical and Electronics Equipment, Agricultural Waste, Slaughterhouse Waste, and Other Waste Types), By Disposal Method (Landfill, Incineration, and Recycling), and Regional Forecast, 2026-2034