chore(deps-dev): bump the dev-dependencies group with 2 updates (#370)

Bumps the dev-dependencies group with 2 updates: [@vitejs/plugin-react](https://github.com/vitejs/vite-plugin-react/tree/HEAD/packages/plugin-react) and [postcss](https://github.com/postcss/postcss).


Updates `@vitejs/plugin-react` from 6.0.3 to 6.0.4
- [Release notes](https://github.com/vitejs/vite-plugin-react/releases)
- [Changelog](https://github.com/vitejs/vite-plugin-react/blob/main/packages/plugin-react/CHANGELOG.md)
- [Commits](https://github.com/vitejs/vite-plugin-react/commits/plugin-react@6.0.4/packages/plugin-react)

Updates `postcss` from 8.5.21 to 8.5.22
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.21...8.5.22)

---
updated-dependencies:
- dependency-name: "@vitejs/plugin-react"
  dependency-version: 6.0.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
- dependency-name: postcss
  dependency-version: 8.5.22
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

admin/package.json

@@ -20,9 +20,9 @@
     "@tailwindcss/vite": "^4.3.3",
     "@types/react": "^19.2.17",
     "@types/react-dom": "^19.2.3",
-    "@vitejs/plugin-react": "^6.0.3",
+    "@vitejs/plugin-react": "^6.0.4",
     "autoprefixer": "^10.5.4",
-    "postcss": "^8.5.21",
+    "postcss": "^8.5.22",
     "tailwindcss": "^4.3.3",
     "typescript": "^7.0.2",
     "vite": "^8.1.5"