Bump @nuxtjs/tailwindcss from 4.2.1 to 6.6.4

Bumps [@nuxtjs/tailwindcss](https://github.com/nuxt-community/tailwindcss-module) from 4.2.1 to 6.6.4.
- [Release notes](https://github.com/nuxt-community/tailwindcss-module/releases)
- [Changelog](https://github.com/nuxt-modules/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](nuxt-modules/tailwindcss@v4.2.1...v6.6.4)

---
updated-dependencies:
- dependency-name: "@nuxtjs/tailwindcss"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -19,7 +19,7 @@
     "@nuxtjs/color-mode": "3.2.0",
     "@nuxtjs/pwa": "3.3.5",
     "@nuxtjs/svg": "0.4.0",
-    "@nuxtjs/tailwindcss": "4.2.1",
+    "@nuxtjs/tailwindcss": "6.6.4",
     "eslint": "8.36.0",
     "eslint-config-prettier": "8.6.0",
     "eslint-plugin-prettier": "4.2.1",