fix(deps): update dependency @astrojs/tailwind to v6

Author: renovate[bot]

blog/package-lock.json

@@ -14,7 +14,7 @@
     "@astrojs/mdx": "^4.0.0",
     "@astrojs/rss": "^4.0.7",
     "@astrojs/sitemap": "^3.1.6",
-    "@astrojs/tailwind": "^5.1.0",  
+    "@astrojs/tailwind": "^6.0.0",  
     "astro": "^5.0.0",
     "tailwindcss": "^3.4.10"
   },