chore(package): update semantic-release to version 16.0.4

Closes #23

Author: greenkeeper[bot]

package.json

@@ -108,7 +108,7 @@
     "rollup-plugin-sourcemaps": "^0.4.2",
     "rollup-plugin-typescript2": "^0.15.1",
     "rollup-plugin-uglify": "^4.0.0",
-    "semantic-release": "^15.6.0",
+    "semantic-release": "^16.0.4",
     "ts-jest": "^23.0.0",
     "ts-node": "^7.0.0",
     "tslint": "^5.8.0",