⬆️ Bump @astrojs/tailwind from 5.1.5 to 6.0.0

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/[email protected]/packages/integrations/tailwind)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -15,7 +15,7 @@
     "@astrojs/mdx": "^4.0.8",
     "@astrojs/rss": "^4.0.11",
     "@astrojs/sitemap": "^3.2.1",
-    "@astrojs/tailwind": "^5.1.5",
+    "@astrojs/tailwind": "^6.0.0",
     "@fontsource/carter-one": "^5.1.1",
     "@fontsource/ibm-plex-sans-jp": "^5.1.1",
     "astro": "^5.2.5",