chore(deps): update nextra monorepo to v2.2.13 (#741)

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

Author: renovate[bot]

packages/website/package.json

@@ -12,8 +12,8 @@
   "license": "MIT",
   "dependencies": {
     "next": "13.1.4",
-    "nextra": "2.2.12",
-    "nextra-theme-docs": "2.2.12",
+    "nextra": "2.2.13",
+    "nextra-theme-docs": "2.2.13",
     "react": "18.2.0",
     "react-dom": "18.2.0"
   },