Bump postcss from 8.4.13 to 8.4.31 in /made-vue-chipbox

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.13 to 8.4.31.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.13...8.4.31)

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

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

Author: dependabot[bot]

made-vue-chipbox/package-lock.json

@@ -58,7 +58,7 @@
     "autoprefixer": "^10.4.5",
     "babel-loader": "^8.2.5",
     "jest": "^27.5.1",
-    "postcss": "^8.4.13",
+    "postcss": "^8.4.31",
     "rollup-plugin-copy": "^3.4.0",
     "sass": "^1.51.0",
     "tailwindcss": "^3.0.24",