Build(deps-dev): bump postcss-cli from 10.1.0 to 11.0.0

Bumps [postcss-cli](https://github.com/postcss/postcss-cli) from 10.1.0 to 11.0.0.
- [Release notes](https://github.com/postcss/postcss-cli/releases)
- [Changelog](https://github.com/postcss/postcss-cli/blob/master/CHANGELOG.md)
- [Commits](postcss/postcss-cli@10.1.0...11.0.0)

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

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

package.json

@@ -60,7 +60,7 @@
     "netlify-plugin-submit-sitemap": "^0.4.0",
     "node-fetch": "^3.2",
     "postcss": "^8.4",
-    "postcss-cli": "^10.0",
+    "postcss-cli": "^11.0",
     "purgecss-whitelister": "^2.4",
     "shx": "^0.3.4",
     "stylelint": "^14.9",