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](https://github.com/postcss/postcss/compare/8.4.49...8.5.1)

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

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

package.json

@@ -15,7 +15,7 @@
 	"dependencies": {
 		"autoprefixer": "^10.4.17",
 		"cjs-loader": "^0.1.0",
-		"postcss": "^8.4.47",
+		"postcss": "^8.5.1",
 		"postcss-cli": "^11.0.0"
 	}
 }