chore(package): update grunt-svgmin to version 5.0.0

Author: greenkeeper[bot]

package.json

@@ -21,7 +21,7 @@
     "grunt-karma": "^2.0.0",
     "grunt-newer": "^1.2.0",
     "grunt-ngmin": "^0.0.3",
-    "grunt-svgmin": "^4.0.0",
+    "grunt-svgmin": "^5.0.0",
     "grunt-usemin": "^3.1.1",
     "grunt-wiredep": "^3.0.1",
     "jshint-stylish": "^2.2.1",