chore(deps): update tailwindcss monorepo to v4.2.0

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

bun.lock

@@ -56,13 +56,13 @@
   },
   "devDependencies": {
     "glob": "13.0.0",
-    "@tailwindcss/postcss": "4.1.18",
+    "@tailwindcss/postcss": "4.2.0",
     "@types/mdx": "2.0.13",
     "@types/node": "25.0.3",
     "@types/react": "19.2.7",
     "@types/react-dom": "19.2.3",
     "postcss": "8.5.6",
-    "tailwindcss": "4.1.18",
+    "tailwindcss": "4.2.0",
     "typescript": "5.9.3",
     "eslint-config-next": "16.1.1",
     "eslint": "9.39.2",