chore(package): update dependencies

Author: niieani

skeleton-esnext-webpack/package.json

@@ -93,9 +93,9 @@
     "@easy-webpack/config-babel": "^4.0.0",
     "@easy-webpack/config-common-chunks-simple": "^2.0.3",
     "@easy-webpack/config-copy-files": "^1.1.2",
-    "@easy-webpack/config-css": "^3.1.0",
+    "@easy-webpack/config-css": "^4.0.0",
     "@easy-webpack/config-env-development": "^2.1.5",
-    "@easy-webpack/config-env-production": "^2.2.3",
+    "@easy-webpack/config-env-production": "^3.0.0",
     "@easy-webpack/config-external-source-maps": "^3.1.0",
     "@easy-webpack/config-fonts-and-images": "^2.1.0",
     "@easy-webpack/config-generate-index-html": "^2.1.1",
@@ -111,12 +111,12 @@
     "aurelia-tools": "^1.0.0",
     "babel-plugin-transform-class-properties": "^6.18.0",
     "babel-plugin-transform-decorators-legacy": "^1.3.4",
-    "babel-preset-env": "0.0.7",
+    "babel-preset-env": "^0.0.9",
     "babel-register": "^6.18.0",
     "concurrently": "^3.1.0",
     "cross-env": "^3.1.3",
-    "eslint": "^3.10.2",
     "del-cli": "^0.2.0",
+    "eslint": "^3.10.2",
     "http-server": "^0.9.0",
     "jasmine-core": "^2.5.2",
     "karma": "^1.3.0",