Dry Pet Food Market Size & Forecasts 2026-2035, By Segments (Packaging Size, Pet Type, Product Type, Distribution Channel, Nutritional Needs), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Nestlé Purina, Mars Petcare, Spectrum Brands, Hill's Pet Nutrition, Diamond Pet Foods)