Create/Update assets for version 1.21.3

assets/minecraft/textures/gui/sprites/container/enchanting_table/_list.json

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+{"directories":[],"files":["enchantment_slot.png","enchantment_slot_disabled.png","enchantment_slot_highlighted.png","level_1.png","level_1_disabled.png","level_2.png","level_2_disabled.png","level_3.png","level_3_disabled.png"]}