fix(deps): update tailwindcss monorepo to v4.3.0

Author: renovate[bot]

package.json

@@ -20,7 +20,7 @@
 		"@astrojs/mdx": "4.3.14",
 		"@astrojs/rss": "4.0.15",
 		"@astrojs/sitemap": "3.7.0",
-		"@tailwindcss/vite": "4.1.18",
+		"@tailwindcss/vite": "4.3.0",
 		"astro": "5.18.1",
 		"astro-expressive-code": "^0.41.6",
 		"astro-icon": "^1.1.5",
@@ -59,7 +59,7 @@
 		"prettier-plugin-astro": "0.14.1",
 		"prettier-plugin-tailwindcss": "^0.7.2",
 		"reading-time": "^1.5.0",
-		"tailwindcss": "4.1.18",
+		"tailwindcss": "4.3.0",
 		"typescript": "^5.9.3"
 	},
 	"pnpm": {