chore(deps-dev): bump @tailwindcss/postcss from 4.2.0 to 4.2.1

Bumps [@tailwindcss/postcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/@tailwindcss-postcss) from 4.2.0 to 4.2.1.
- [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/v4.2.1/packages/@tailwindcss-postcss)

---
updated-dependencies:
- dependency-name: "@tailwindcss/postcss"
  dependency-version: 4.2.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

client/react/desktop/tauri-app/package.json

@@ -26,7 +26,7 @@
     "tailwind-merge": "^2.6.1"
   },
   "devDependencies": {
-    "@tailwindcss/postcss": "^4.2.0",
+    "@tailwindcss/postcss": "^4.2.1",
     "@tauri-apps/cli": "^2.10.0",
     "@types/node": "^22.19.11",
     "@types/react": "^18.3.27",

client/react/web/package.json

@@ -29,7 +29,7 @@
     "three": "^0.183.2"
   },
   "devDependencies": {
-    "@tailwindcss/postcss": "^4.2.0",
+    "@tailwindcss/postcss": "^4.2.1",
     "@types/node": "^22.19.11",
     "@types/react": "^18.3.27",
     "@types/react-dom": "^18.3.7",

package.json

@@ -8,7 +8,7 @@
     "corepack": "^0.34.6"
   },
   "devDependencies": {
-    "@tailwindcss/postcss": "^4.2.0",
+    "@tailwindcss/postcss": "^4.2.1",
     "json-schema-to-typescript": "^15.0.4"
   },
   "pnpm": {