Update docusaurus monorepo to v2.4.3

Author: renovate[bot]

package.json

@@ -16,8 +16,8 @@
     "typecheck": "tsc"
   },
   "dependencies": {
-    "@docusaurus/core": "2.4.1",
-    "@docusaurus/preset-classic": "2.4.1",
+    "@docusaurus/core": "2.4.3",
+    "@docusaurus/preset-classic": "2.4.3",
     "@docusaurus/theme-search-algolia": "^2.2.0",
     "@mdx-js/react": "^1.6.22",
     "clsx": "^1.2.1",