Bump postcss from 8.4.38 to 8.4.39

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.38 to 8.4.39.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.4.38...8.4.39)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -14,7 +14,7 @@
     "@sveltejs/vite-plugin-svelte": "^2.0.3",
     "@tsconfig/svelte": "^4.0.1",
     "autoprefixer": "^10.4.14",
-    "postcss": "^8.4.38",
+    "postcss": "^8.4.39",
     "svelte": "^3.58.0",
     "svelte-check": "^3.3.1",
     "tailwindcss": "^3.3.2",