Global Energy Trading and Risk Management (ETRM) Software Market Size, Share, Growth & Industry Analysis By Offering (Software Solutions, Professional Services), By Deployment Mode (On-Premise, Cloud-Based), By Commodity Type (Power & Electricity, Natural Gas & LNG, Crude Oil & Refined Products, Environmental Commodities, Others), By End-User (Energy Companies, Financial Institutions, Trading Firms) Industry Trends & Forecast 2026–2034