upgrade dev-dependencies

src/Umbraco.Web.UI.Client/package.json

@@ -39,34 +39,33 @@
     "underscore": "1.9.1"
   },
   "devDependencies": {
-    "@babel/core": "^7.1.2",
-    "@babel/preset-env": "^7.1.0",
-    "autoprefixer": "^6.5.0",
-    "bower-installer": "^1.2.0",
-    "gulp-clean-css": "3.10.0",
-    "cssnano": "^3.7.6",
-    "gulp": "^3.9.1",
-    "gulp-babel": "^8.0.0-beta.2",
-    "gulp-concat": "^2.6.0",
-    "gulp-connect": "5.0.0",
+    "@babel/core": "7.1.6",
+    "@babel/preset-env": "7.1.6",
+    "autoprefixer": "9.3.1",
+    "gulp-clean-css": "4.0.0",
+    "cssnano": "4.1.7",
+    "gulp": "3.9.1",
+    "gulp-babel": "8.0.0",
+    "gulp-concat": "2.6.1",
+    "gulp-connect": "5.6.1",
     "gulp-eslint": "^5.0.0",
-    "gulp-imagemin": "^4.1.0",
-    "gulp-less": "^3.5.0",
-    "gulp-ngdocs": "^0.3.0",
-    "gulp-open": "^2.1.0",
-    "gulp-postcss": "^6.2.0",
-    "gulp-rename": "^1.2.2",
-    "gulp-sort": "^2.0.0",
-    "gulp-watch": "^4.3.10",
-    "gulp-wrap": "^0.13.0",
-    "gulp-wrap-js": "^0.4.1",
-    "jasmine-core": "3.1.0",
-    "karma": "^2.0.2",
-    "karma-jasmine": "^1.1.2",
-    "karma-phantomjs-launcher": "^1.0.4",
-    "less": "^2.7.3",
-    "lodash": "^4.17.5",
-    "merge-stream": "^1.0.1",
-    "run-sequence": "^2.2.1"
+    "gulp-imagemin": "5.0.3",
+    "gulp-less": "4.0.1",
+    "gulp-ngdocs": "0.3.0",
+    "gulp-open": "3.0.1",
+    "gulp-postcss": "8.0.0",
+    "gulp-rename": "1.4.0",
+    "gulp-sort": "2.0.0",
+    "gulp-watch": "5.0.1",
+    "gulp-wrap": "0.14.0",
+    "gulp-wrap-js": "0.4.1",
+    "jasmine-core": "3.3.0",
+    "karma": "3.1.1",
+    "karma-jasmine": "2.0.1",
+    "karma-phantomjs-launcher": "1.0.4",
+    "less": "3.9.0",
+    "lodash": "4.17.11",
+    "merge-stream": "1.0.1",
+    "run-sequence": "2.2.1"
   }
 }