build!: Bump Node.js to 20 (#10616)

BREAKING CHANGE: Node.js 20 or above is required.

packages/voice/README.md

@@ -32,7 +32,7 @@
 
 ## Installation
 
-**Node.js 18 or newer is required.**
+**Node.js 20 or newer is required.**
 
 ```sh
 npm install @discordjs/voice

packages/voice/package.json

@@ -75,7 +75,7 @@
 		"@discordjs/scripts": "workspace:^",
 		"@favware/cliff-jumper": "^4.1.0",
 		"@noble/ciphers": "^1.0.0",
-		"@types/node": "^18.19.64",
+		"@types/node": "^20.17.8",
 		"@vitest/coverage-v8": "^2.1.5",
 		"cross-env": "^7.0.3",
 		"esbuild-plugin-version-injector": "^1.2.1",
@@ -90,7 +90,7 @@
 		"vitest-websocket-mock": "^0.3.0"
 	},
 	"engines": {
-		"node": ">=18"
+		"node": ">=20"
 	},
 	"publishConfig": {
 		"access": "public",