fix(deps): update docusaurus monorepo to v3 (major) (#17)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -14,8 +14,8 @@
     "write-heading-ids": "docusaurus write-heading-ids"
   },
   "dependencies": {
-    "@docusaurus/core": "^2.2.0",
-    "@docusaurus/preset-classic": "^2.2.0",
+    "@docusaurus/core": "^3.0.0",
+    "@docusaurus/preset-classic": "^3.0.0",
     "@mdx-js/react": "^1.6.22",
     "clsx": "^2.0.0",
     "prism-react-renderer": "^1.2.1",