Advice on how to update my pack to 1.20.6 from 1.20.1

These are the main parts I need help with item replace entity @a armor.chest with iron_chestplate{HideFlags:255,Unbreakable:1b,Enchantments:[{id:"minecraft:protection",lvl:1s},{id:"minecraft:vanishing_curse",lvl:1s}]} 1 item replace entity @a armor.legs with iron_leggings{HideFlags:255,Unbreakable:1b,Enchantments:[{id:"minecraft:protection",lvl:1s},{id:"minecraft:vanishing_curse",lvl:1s}]} 1 item replace entity @a armor.feet with iron_boots{HideFlags:255,Unbreakable:1b,Enchantments:[{id:"minecraft:protection",lvl:1s},{id:"minecraft:vanishing_curse",lvl:1s}]} 1 item replace entity @a weapon.offhand with shield{HideFlags:255,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1s}]} 1 item replace entity @a hotbar.0 with iron_sword{HideFlags:255,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1s}]} 1 item replace entity @a hotbar.1 with iron_axe{HideFlags:255,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1s}]} 1 item replace entity @a hotbar.2 with iron_pickaxe{HideFlags:255,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1s}]} 1 item replace entity @a hotbar.3 with iron_shovel{HideFlags:255,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1s}]} 1 item replace entity @a hotbar.4 with bow{HideFlags:255,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1s}]} 1 item replace entity @a hotbar.5 with crossbow{HideFlags:255,Unbreakable:1b,Enchantments:[{id:"minecraft:vanishing_curse",lvl:1s}]} 1