bump Tailwind CSS to latest version

Author: RobinMalfait

package.json

@@ -16,7 +16,7 @@
     "@mdx-js/loader": "^3.1.1",
     "@next/mdx": "16.1.6",
     "@shikijs/transformers": "^1.29.2",
-    "@tailwindcss/postcss": "0.0.0-insiders.58d1fe3",
+    "@tailwindcss/postcss": "^4.2.1",
     "clsx": "^2.1.1",
     "dedent": "^1.6.0",
     "fathom-client": "^3.7.2",
@@ -28,11 +28,11 @@
     "react": "19.2.4",
     "react-dom": "19.2.4",
     "shiki": "^1.29.2",
-    "tailwindcss": "0.0.0-insiders.58d1fe3"
+    "tailwindcss": "^4.2.1"
   },
   "devDependencies": {
     "@svgr/webpack": "^8.1.0",
-    "@tailwindcss/node": "0.0.0-insiders.58d1fe3",
+    "@tailwindcss/node": "^4.2.1",
     "@types/hast": "^3.0.4",
     "@types/mdx": "^2.0.13",
     "@types/node": "^22.15.33",

pnpm-lock.yaml

@@ -10,7 +10,6 @@ import { SearchButton } from "./search";
 import { version } from "tailwindcss/package.json";
 
 let TAILWINDCSS_VERSION = version.split(".").slice(0, 2).join(".");
-TAILWINDCSS_VERSION = "4.2";
 
 function Logo(props: React.ComponentProps<"svg">) {
   return (