fix(deps): update docusaurus monorepo to v2.0.0-rc.1

Author: renovate[bot]

website/package.json

@@ -10,8 +10,8 @@
     "docs": "docusaurus docs:version"
   },
   "dependencies": {
-    "@docusaurus/core": "2.0.0-alpha.69",
-    "@docusaurus/preset-classic": "2.0.0-alpha.69",
+    "@docusaurus/core": "2.0.0-rc.1",
+    "@docusaurus/preset-classic": "2.0.0-rc.1",
     "classnames": "2.2.6",
     "react": "17.0.1",
     "react-dom": "17.0.1"