chore(deps): update dependency postcss to v8.4.44

Author: renovate[bot]

packages/website/package.json

@@ -24,7 +24,7 @@
     "next-themes": "0.3.0",
     "nextra": "2.13.4",
     "nextra-theme-docs": "2.13.4",
-    "postcss": "8.4.43",
+    "postcss": "8.4.44",
     "postcss-lightningcss": "1.0.1",
     "react": "18.3.1",
     "react-docgen": "workspace:7.0.3",