chore(deps): bump nextra-theme-docs from 2.13.4 to 4.2.13

Bumps [nextra-theme-docs](https://github.com/shuding/nextra) from 2.13.4 to 4.2.13.
- [Release notes](https://github.com/shuding/nextra/releases)
- [Commits](https://github.com/shuding/nextra/compare/nextra-theme-docs@2.13.4...nextra-theme-docs@4.2.13)

---
updated-dependencies:
- dependency-name: nextra-theme-docs
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

docs/package.json

@@ -16,7 +16,7 @@
     "next": "14.2.13",
     "next-sitemap": "^4.2.3",
     "nextra": "^2.13.4",
-    "nextra-theme-docs": "^2.13.4",
+    "nextra-theme-docs": "^4.2.13",
     "react": "^18",
     "react-dom": "^18",
     "react-type-animation": "^3.2.0",