build(deps-dev): bump postcss from 8.4.31 to 8.5.10

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.31 to 8.5.10.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.31...8.5.10)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.10
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package.json

@@ -84,7 +84,7 @@
     "mdast-util-to-string": "^1.1.0",
     "metro-cache": "0.72.2",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.4.5",
+    "postcss": "^8.5.10",
     "postcss-flexbugs-fixes": "4.2.1",
     "postcss-preset-env": "^6.7.0",
     "prettier": "^2.5.1",