fix: docs/package.json & docs/yarn.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-JSYAML-13961110

Author: snyk-bot

docs/package.json

@@ -20,7 +20,7 @@
     "plugin-image-zoom": "ataft/plugin-image-zoom",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
-    "redocusaurus": "^1.0.0",
+    "redocusaurus": "^2.0.0",
     "resolve-glob": "^1.0.0",
     "sass": "^1.63.4"
   },