Upgrade docusaurus-plugin-internal to remove vulnerable version of dompurify

Reviewed By: ide-2

Differential Revision: D86544326

fbshipit-source-id: 85a67c56fbf0f4f04f3fada9f17502f2977318b5

Author: balajacatherin

website/package.json

@@ -24,7 +24,7 @@
     "@docusaurus/preset-classic": "2.4.3",
     "classnames": "^2.2.6",
     "clsx": "^1.1.1",
-    "docusaurus-plugin-internaldocs-fb": "1.18.3",
+    "docusaurus-plugin-internaldocs-fb": "1.18.5",
     "lz-string": "^1.4.4",
     "monaco-editor": "^0.24.0",
     "react": "^17.0.2",