chore(deps): update dependency postcss-cli to v7.1.1

Author: renovate-bot

package-lock.json

@@ -58,7 +58,7 @@
     "npm-run-all": "4.1.5",
     "p5": "1.0.0",
     "path-exists": "4.0.0",
-    "postcss-cli": "7.1.0",
+    "postcss-cli": "7.1.1",
     "postcss-load-config": "2.1.0",
     "postcss-loader": "3.0.0",
     "sass-loader": "8.0.2",