Bump @tailwindcss/postcss from 4.2.1 to 4.2.2

Bumps [@tailwindcss/postcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/@tailwindcss-postcss) from 4.2.1 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:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package.json

@@ -12,7 +12,7 @@
     "@hotwired/turbo-rails": "^8.0.23",
     "@popperjs/core": "^2.11.8",
     "@rails/actioncable": "^8.1.200",
-    "@tailwindcss/postcss": "^4.2.1",
+    "@tailwindcss/postcss": "^4.2.2",
     "autoprefixer": "^10.4.27",
     "bootstrap": "^5.3.3",
     "bootstrap-icons": "^1.11.3",