Merge pull request #603 from devopsdays/greenkeeper/gulp-cache-0.5.0

Update gulp-cache to the latest version 🚀

Author: mattstratton

package.json

@@ -18,8 +18,9 @@
   "devDependencies": {
     "del": "^3.0.0",
     "gulp": "^3.9.1",
+    "gulp-cache": "^0.5.0",
     "gulp-bower": "0.0.13",
-    "gulp-cache": "^0.4.5",
+    "gulp-cache": "^0.5.0",
     "gulp-concat": "^2.6.1",
     "gulp-htmlmin": "^3.0.0",
     "gulp-imagemin": "^3.1.1",