website: update docusaurus

Signed-off-by: Lucas Servén Marín <lserven@gmail.com>

website/package.json

@@ -9,8 +9,8 @@
     "deploy": "docusaurus deploy"
   },
   "dependencies": {
-    "@docusaurus/core": "^2.0.0-beta.0",
-    "@docusaurus/preset-classic": "^2.0.0-beta.0",
+    "@docusaurus/core": "^2.0.0-beta.3",
+    "@docusaurus/preset-classic": "^2.0.0-beta.3",
     "classnames": "^2.3.1",
     "react": "^17.0.2",
     "react-dom": "^17.0.2"
@@ -26,9 +26,5 @@
       "last 1 firefox version",
       "last 1 safari version"
     ]
-  },
-  "resolutions": {
-    "minimist": "^1.2.3",
-    "node-fetch": "^2.6.1"
   }
 }