Bump postcss from 8.4.31 to 8.4.32

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.31 to 8.4.32.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.31...8.4.32)

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

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

package.json

@@ -8,7 +8,7 @@
     "autoprefixer": "^10.4.16",
     "chart.js": "^4.4.0",
     "chartkick": "^5.0.1",
-    "postcss": "^8.4.31",
+    "postcss": "^8.4.32",
     "tailwindcss": "^3.3.5",
     "webpack": "^5.74.0",
     "webpack-cli": "^5.1.4"