dep(deps-dev): bump @tailwindcss/postcss from 4.1.1 to 4.1.5

Bumps [@tailwindcss/postcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/@tailwindcss-postcss) from 4.1.1 to 4.1.5.
- [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/v4.1.5/packages/@tailwindcss-postcss)

---
updated-dependencies:
- dependency-name: "@tailwindcss/postcss"
  dependency-version: 4.1.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -32,7 +32,7 @@
     "@happy-dom/global-registrator": "^17.4.4",
     "@nodejs-loaders/alias": "2.0.1",
     "@nodejs-loaders/tsx": "1.1.1",
-    "@tailwindcss/postcss": "^4.1.1",
+    "@tailwindcss/postcss": "^4.1.5",
     "@testing-library/react": "~16.2.0",
     "@types/node": "~22.14.0",
     "@types/react": "~19.1.0",