Bump postcss from 8.4.49 to 8.5.1

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.49 to 8.5.1.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.49...8.5.1)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -31,7 +31,7 @@
     "flowbite": "^2.5.2",
     "install": "^0.13.0",
     "mix-tailwindcss": "^1.3.0",
-    "postcss": "^8.4.49",
+    "postcss": "^8.5.1",
     "postcss-loader": "^8.1.1",
     "postcss-preset-env": "^9.6.0",
     "style-loader": "^4.0.0",