upgrade dependencies

Author: rse

package.json

@@ -23,7 +23,7 @@
         "eslint-config-standard":         "11.0.0",
         "eslint-plugin-standard":         "3.1.0",
         "eslint-plugin-promise":          "3.8.0",
-        "eslint-plugin-import":           "2.12.0",
+        "eslint-plugin-import":           "2.13.0",
         "eslint-plugin-node":             "6.0.1",
         "babel-eslint":                   "8.2.5"
     },
@@ -42,7 +42,7 @@
         "postcss-reporter":               "5.0.0",
         "style-scope":                    "0.9.13",
         "posthtml":                       "0.11.3",
-        "autoprefixer":                   "8.6.3"
+        "autoprefixer":                   "8.6.5"
     },
     "engines": {
         "node":                           ">=7.6.0"