build(deps-dev): bump postcss-cli from 9.1.0 to 10.0.0 (#30)

Bumps [postcss-cli](https://github.com/postcss/postcss-cli) from 9.1.0 to 10.0.0.
- [Release notes](https://github.com/postcss/postcss-cli/releases)
- [Changelog](https://github.com/postcss/postcss-cli/blob/master/CHANGELOG.md)
- [Commits](postcss/postcss-cli@9.1.0...10.0.0)

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

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -82,7 +82,7 @@
     "npm-run-all": "^4.1.5",
     "pa11y-ci": "^3.0.1",
     "postcss": "^8.4.12",
-    "postcss-cli": "^9.1.0",
+    "postcss-cli": "^10.0.0",
     "postcss-focus": "^5.0.1",
     "postcss-list-style-safari-fix": "^1.0.0",
     "prettier": "^2.5.1",