chore(deps-dev): Bump postcss from 8.5.0 to 8.5.1

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.0 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@8.5.0...8.5.1)

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

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

Author: dependabot[bot]

package.json

@@ -54,7 +54,7 @@
     "micromark": "^4.0.1",
     "micromark-extension-directive": "^3.0.2",
     "moment": "^2.30.1",
-    "postcss": "^8.5.0",
+    "postcss": "^8.5.1",
     "svelte": "5.18.0",
     "svelte-check": "^4.1.4",
     "svelte-eslint-parser": "^0.43.0",