chore(package): update travis-deploy-once to version 5.0.1

Author: greenkeeper[bot]

package.json

@@ -96,7 +96,7 @@
     "semantic-release": "^15.1.7",
     "source-map-loader": "^0.2.3",
     "style-loader": "^0.20.3",
-    "travis-deploy-once": "^4.4.1",
+    "travis-deploy-once": "^5.0.1",
     "webpack": "^4.5.0",
     "webpack-build-notifier": "^0.1.23",
     "webpack-cli": "^3.0.4",