chore: Update semantic release support

Author: prantlf

package.json

@@ -39,8 +39,8 @@
     "grunt-contrib-clean": "^1.1.0",
     "grunt-contrib-nodeunit": "^1.0.0",
     "grunt-standard": "^3.1.0",
-    "semantic-release": "^12.4.1",
-    "travis-deploy-once": "^4.3.4"
+    "semantic-release": "^15.1.5",
+    "travis-deploy-once": "^4.4.1"
   },
   "peerDependencies": {
     "grunt": ">=0.4.5"