chore: bump guide node 18

apps/guide/src/content/02-getting-started/01-starting-out.mdx

@@ -9,10 +9,10 @@ Our [create-discord-bot](https://github.com/discordjs/discord.js/tree/main/packa
 
 ## Creating your bot
 
-To use discord.js, you'll need to install [Node.js](https://nodejs.org), [Deno](https://deno.com), or [Bun](https://bun.sh). discord.js v14 requires Node.js v16.11.0 or higher, but the long-term support (LTS) version is always recommended. For the purposes of this guide, we will be using Node.js.
+To use discord.js, you'll need to install [Node.js](https://nodejs.org), [Deno](https://deno.com), or [Bun](https://bun.sh). discord.js v14 requires Node.js v18.20.4 or higher, but the long-term support (LTS) version is always recommended. For the purposes of this guide, we will be using Node.js.
 
 <Alert title="Tip" type="info">
-	To check if you already have Node.js installed, run _`node --version`_ in your terminal. If it outputs _`v16.11.0`_ or
+	To check if you already have Node.js installed, run _`node --version`_ in your terminal. If it outputs _`v18.20.4`_ or
 	higher, then you're good to go!
 </Alert>