chore(package): update semantic-release to version 15.13.3

Closes #555

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
     "proxyquire": "^1.7.11",
     "regenerator-runtime": "^0.11.0",
     "remap-istanbul": "^0.9.5",
-    "semantic-release": "^7.0.2",
+    "semantic-release": "^15.13.3",
     "sinon": "^3.3.0",
     "trash-cli": "^1.4.0",
     "ts-loader": "^2.3.7",