Update autoprefixer from 9.1.0 to 9.1.1 in /

Author: dependencies-bot

package-lock.json

@@ -167,7 +167,7 @@
     "@jetbrains/babel-runtime": "6.23.1",
     "@jetbrains/icons": "1.18.5",
     "@jetbrains/logos": "1.0.3",
-    "autoprefixer": "9.1.0",
+    "autoprefixer": "9.1.1",
     "babel-core": "6.26.3",
     "babel-loader": "7.1.5",
     "babel-plugin-transform-runtime": "6.23.0",