chore(package): update dependencies

src/package.json

@@ -18,15 +18,15 @@
     "basiccontext": "^3.5.1",
     "basicmodal": "^3.3.8",
     "gulp": "^3.9.1",
-    "gulp-autoprefixer": "3.1.1",
-    "gulp-babel": "^6.1.2",
+    "gulp-autoprefixer": "5.0.0",
+    "gulp-babel": "^7.0.1",
     "gulp-concat": "^2.6.1",
     "gulp-inject": "^4.2.0",
     "gulp-load-plugins": "^1.5.0",
     "gulp-minify-css": "^1.2.4",
     "gulp-rimraf": "^0.2.1",
-    "gulp-sass": "^3.1.0",
-    "gulp-uglify": "^2.1.1",
+    "gulp-sass": "^4.0.1",
+    "gulp-uglify": "^3.0.0",
     "jquery": "^3.2.0",
     "jquery-ui": "^1.12.1",
     "mousetrap": "^1.6.0"