Upgrade grunt-release

Author: strugee

package.json

@@ -34,7 +34,7 @@
     "grunt": "^1.0.2",
     "grunt-contrib-watch": "^0.5.3",
     "grunt-mocha-test": "^0.7.0",
-    "grunt-release": "^0.6.0",
+    "grunt-release": "^0.14.0",
     "matchdep": "^0.1.2",
     "mocha": "^5.0.5",
     "sinon": "^4.4.8",