chore(package): update gulp-inject to version 4.1.0 (#747)

https://greenkeeper.io/

package.json

@@ -33,7 +33,7 @@
     "gulp-flatten": "~0.2.0",
     "gulp-htmlmin": "~2.0.0",
     "gulp-if": "~2.0.0",
-    "gulp-inject": "~4.0.0",
+    "gulp-inject": "~4.1.0",
     "gulp-minify-css": "~1.2.2",
     "gulp-protractor": "~2.3.0",
     "gulp-rename": "~1.2.2",