chore(deps-dev): bump nextra-theme-docs

Bumps [nextra-theme-docs](https://github.com/shuding/nextra) from 3.0.0-alpha.12 to 3.0.0-alpha.23.
- [Release notes](https://github.com/shuding/nextra/releases)
- [Commits](https://github.com/shuding/nextra/compare/nextra-theme-docs@3.0.0-alpha.12...nextra-theme-docs@3.0.0-alpha.23)

---
updated-dependencies:
- dependency-name: nextra-theme-docs
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

docs/package.json

@@ -29,7 +29,7 @@
   },
   "devDependencies": {
     "autoprefixer": "10.4.16",
-    "nextra-theme-docs": "3.0.0-alpha.12",
+    "nextra-theme-docs": "3.0.0-alpha.23",
     "postcss": "8.4.38",
     "tailwindcss": "3.4.3"
   }