build: update to Node.js v24.0.0, pnpm v10, Tailwind CSS v4

apps/website/tailwind.config.js

@@ -2,11 +2,6 @@ import sharedConfig from "@repo/config-tailwind"
 
 /** @type {Pick<import('tailwindcss').Config, "presets" | "content">} */
 const config = {
-  content: [
-    "./app/**/*.tsx",
-    "../../packages/ui/src/**/*.tsx",
-    "../../packages/blog/src/**/*.tsx",
-  ],
   presets: [sharedConfig],
 }