Sparkling Coffee Market Size, Share & Trends Analysis Report By Product Type (Black Sparkling Coffee, Milk-based Sparkling Coffee, Cold Brew Sparkling Coffee, Nitro Sparkling Coffee, Functional Sparkling Coffee, Flavored Sparkling Coffee, Organic Sparkling Coffee, Low-calorie Sparkling Coffee), By Caffeine Level (Regular Caffeine, High Caffeine, Decaffeinated), By Sweetener Type (Sugar-Sweetened, Artificially Sweetened, Naturally Sweetened, Unsweetened), By Distribution Channel (Retail Stores, Foodservice, Online Retail, Specialty Channels) and By Region (North America, Europe, APAC, Middle East and Africa, LATAM) Forecasts, 2026-2034