chore(deps): bump clean-css from 4.1.7 to 4.1.11 in /test/universal-test (#2202)

Bumps [clean-css](https://github.com/jakubpawlowicz/clean-css) from 4.1.7 to 4.1.11.
- [Release notes](https://github.com/jakubpawlowicz/clean-css/releases)
- [Changelog](https://github.com/jakubpawlowicz/clean-css/blob/master/History.md)
- [Commits](clean-css/clean-css@v4.1.7...v4.1.11)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

test/universal-test/yarn.lock

@@ -747,8 +747,8 @@ clap@^1.0.9:
     chalk "^1.1.3"
 
 [email protected]:
-  version "4.1.7"
-  resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.1.7.tgz#b9aea4f85679889cf3eae8b40349ec4ebdfdd032"
+  version "4.1.11"
+  resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-4.1.11.tgz#2ecdf145aba38f54740f26cefd0ff3e03e125d6a"
   dependencies:
     source-map "0.5.x"