chore(deps): bump postcss-cli from 11.0.1 to 12.0.0

Bumps [postcss-cli](https://github.com/postcss/postcss-cli) from 11.0.1 to 12.0.0.
- [Release notes](https://github.com/postcss/postcss-cli/releases)
- [Changelog](https://github.com/postcss/postcss-cli/blob/master/CHANGELOG.md)
- [Commits](postcss/postcss-cli@11.0.1...12.0.0)

---
updated-dependencies:
- dependency-name: postcss-cli
  dependency-version: 12.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/ui-components/package.json

@@ -83,7 +83,7 @@
     "eslint-plugin-storybook": "10.3.3",
     "global-jsdom": "30.0.0",
     "postcss-calc": "~11.2.3",
-    "postcss-cli": "^11.0.1",
+    "postcss-cli": "^12.0.0",
     "postcss-loader": "8.2.1",
     "storybook": "~10.6.3",
     "style-loader": "4.0.0",