chore(package): update semantic-release to version 17.0.8

Closes #32

Author: greenkeeper[bot]

Diff for: package.json

@@ -69,7 +69,7 @@
     "jest": "^23.6.0",
     "lint-staged": "^8.1.0",
     "prettier": "^1.14.3",
-    "semantic-release": "^15.10.5",
+    "semantic-release": "^17.0.8",
     "semantic-release-conventional-commits": "^2.0.1"
   },
   "publishConfig": {