Use @discordjs/collection

package.json

@@ -31,6 +31,7 @@
 		"node": ">=12"
 	},
 	"dependencies": {
+		"@discordjs/collection": "^0.1.5",
 		"@discordjs/opus": "^0.1.0",
 		"@vitalets/google-translate-api": "^3.0.0",
 		"bufferutil": "^4.0.1",

structures/Client.js

@@ -1,5 +1,6 @@
 const { CommandoClient } = require('discord.js-commando');
-const { WebhookClient, Collection } = require('discord.js');
+const { WebhookClient } = require('discord.js');
+const Collection = require('@discordjs/collection');
 const winston = require('winston');
 const PokemonStore = require('./pokemon/PokemonStore');
 const MemePoster = require('./MemePoster');

structures/mafia/Game.js

@@ -1,4 +1,4 @@
-const { Collection } = require('discord.js');
+const Collection = require('@discordjs/collection');
 const path = require('path');
 const { stripIndents } = require('common-tags');
 const Player = require('./Player');

structures/pokemon/PokemonStore.js

@@ -1,4 +1,4 @@
-const { Collection } = require('discord.js');
+const Collection = require('@discordjs/collection');
 const request = require('node-superfetch');
 const Pokemon = require('./Pokemon');