Bump autoprefixer from 9.5.1 to 9.6.0 (#11038)

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 9.5.1 to 9.6.0.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/autoprefixer/compare/9.5.1...9.6.0)

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

package.json

@@ -73,7 +73,7 @@
     "@babel/runtime": "^7.4.5",
     "@clusterws/cws": "^0.14.0",
     "array-includes": "^3.0.3",
-    "autoprefixer": "^9.5.1",
+    "autoprefixer": "^9.6.0",
     "axios": "^0.19.0",
     "babel-loader": "^8.0.5",
     "babel-plugin-lodash": "^3.3.4",