fix(deps): update dependency remark-directive to v4

Author: renovate[bot]

package.json

@@ -93,7 +93,7 @@
     "react-router-dom": "7.1.5",
     "react-shadow": "20.6.0",
     "react-tweet": "3.2.2",
-    "remark-directive": "3.0.1",
+    "remark-directive": "4.0.0",
     "remove-markdown": "0.6.0",
     "rss": "1.2.2",
     "server-only": "^0.0.1",