chore(deps-dev): bump @tailwindcss/postcss from 4.1.5 to 4.2.2

Bumps [@tailwindcss/postcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/@tailwindcss-postcss) from 4.1.5 to 4.2.2.
- [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/v4.2.2/packages/@tailwindcss-postcss)

---
updated-dependencies:
- dependency-name: "@tailwindcss/postcss"
  dependency-version: 4.2.2
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -16,7 +16,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^9.39.2",
-    "@tailwindcss/postcss": "^4.1.5",
+    "@tailwindcss/postcss": "^4.2.2",
     "@tauri-apps/cli": "^2",
     "@typescript-eslint/eslint-plugin": "^8.51.0",
     "@typescript-eslint/parser": "^8.51.0",