update dependencies

package.json

@@ -23,21 +23,21 @@
   },
   "homepage": "https://github.com/youzan/vant-weapp#readme",
   "devDependencies": {
-    "@babel/core": "^7.2.2",
+    "@babel/core": "^7.4.5",
     "@babel/plugin-syntax-dynamic-import": "^7.2.0",
-    "@babel/preset-env": "^7.2.3",
+    "@babel/preset-env": "^7.4.5",
     "@vant/doc": "^1.0.24",
-    "@vant/icons": "1.1.7",
-    "autoprefixer": "^9.4.4",
-    "babel-loader": "8.0.5",
+    "@vant/icons": "1.1.8",
+    "autoprefixer": "^9.6.0",
+    "babel-loader": "8.0.6",
     "cross-env": "^5.1.4",
-    "css-loader": "^2.1.0",
+    "css-loader": "^3.0.0",
     "cssnano": "^4.1.10",
-    "eslint": "^5.11.1",
+    "eslint": "^5.16.0",
     "eslint-plugin-vue-libs": "^3.0.0",
     "fast-vue-md-loader": "^1.0.3",
     "gh-pages": "^2.0.1",
-    "gulp": "^4.0.0",
+    "gulp": "^4.0.2",
     "gulp-insert": "^0.5.0",
     "gulp-less": "^4.0.1",
     "gulp-postcss": "^8.0.0",
@@ -45,18 +45,18 @@
     "gulp-typescript": "^5.0.0",
     "html-webpack-plugin": "^3.2.0",
     "less": "^3.9.0",
-    "less-loader": "^4.1.0",
-    "miniprogram-api-typings": "^2.4.2-2",
+    "less-loader": "^5.0.0",
+    "miniprogram-api-typings": "2.4.2-2",
     "postcss-loader": "^3.0.0",
     "progress-bar-webpack-plugin": "^1.11.0",
     "style-loader": "^0.23.1",
-    "typescript": "^3.2.2",
+    "typescript": "^3.5.2",
     "vue": "2.6.10",
     "vue-loader": "^15.4.2",
-    "vue-router": "^3.0.2",
+    "vue-router": "^3.0.6",
     "vue-template-compiler": "2.6.10",
-    "webpack": "^4.28.3",
-    "webpack-cli": "^3.3.0",
+    "webpack": "^4.35.0",
+    "webpack-cli": "^3.3.4",
     "webpack-serve": "^2.0.3"
   }
 }