chore(deps): bump postcss-clean from 1.2.0 to 1.2.2 in /install

Bumps [postcss-clean](https://github.com/leodido/postcss-clean) from 1.2.0 to 1.2.2.
- [Release notes](https://github.com/leodido/postcss-clean/releases)
- [Changelog](https://github.com/leodido/postcss-clean/blob/master/CHANGELOG.md)
- [Commits](https://github.com/leodido/postcss-clean/commits/v1.2.2)

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

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

install/package.json

@@ -105,7 +105,7 @@
         "pg": "^8.7.1",
         "pg-cursor": "^2.7.1",
         "postcss": "8.3.9",
-        "postcss-clean": "1.2.0",
+        "postcss-clean": "1.2.2",
         "prompt": "^1.1.0",
         "ioredis": "4.27.10",
         "request": "2.88.2",