chore(package): update semantic-release to version 17.0.0

Closes #67

Author: greenkeeper[bot]

package.json

@@ -131,7 +131,7 @@
     "rollup-plugin-sourcemaps": "^0.4.2",
     "rollup-plugin-typescript2": "^0.14.0",
     "sass-loader": "^7.0.1",
-    "semantic-release": "^15.9.16",
+    "semantic-release": "^17.0.0",
     "style-loader": "^0.21.0",
     "travis-deploy-once": "^5.0.8",
     "ts-jest": "^22.4.6",