build(deps-dev): bump @tailwindcss/vite from 4.0.14 to 4.0.15

Bumps [@tailwindcss/vite](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/@tailwindcss-vite) from 4.0.14 to 4.0.15.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.0.15/packages/@tailwindcss-vite)

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

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

Author: dependabot[bot]

package-lock.json

@@ -22,7 +22,7 @@
   },
   "homepage": "https://github.com/IT4Change/IT4C.dev#readme",
   "devDependencies": {
-    "@tailwindcss/vite": "^4.0.5",
+    "@tailwindcss/vite": "^4.0.15",
     "@textlint-rule/textlint-rule-no-unmatched-pair": "^2.0.4",
     "@vuepress/bundler-vite": "^2.0.0-rc.20",
     "@vuepress/plugin-slimsearch": "^2.0.0-rc.82",