chore(lapis-docs): bump @astrojs/tailwind in /lapis-docs

Bumps [@astrojs/tailwind](https://github.com/withastro/astro/tree/HEAD/packages/integrations/tailwind) from 5.1.5 to 6.0.0.
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/integrations/tailwind/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/tailwind@6.0.0/packages/integrations/tailwind)

---
updated-dependencies:
- dependency-name: "@astrojs/tailwind"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

lapis-docs/package.json

@@ -17,7 +17,7 @@
         "@astrojs/react": "^4.2.0",
         "@astrojs/starlight": "^0.31.1",
         "@astrojs/starlight-tailwind": "^3.0.0",
-        "@astrojs/tailwind": "^5.1.5",
+        "@astrojs/tailwind": "^6.0.0",
         "@types/react": "^18.3.12",
         "@types/react-dom": "^18.3.1",
         "astro": "^5.1.10",