chore(package): update semantic-release to version 12.2.2

Closes #13

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
     "lint-staged": "^6.0.0",
     "prettier": "^1.9.2",
     "projectz": "^1.4.0",
-    "semantic-release": "^8.2.3"
+    "semantic-release": "^12.2.2"
   },
   "scripts": {
     "format": "prettier --write --trailing-comma=all --single-quote --tab-width=4 lib/**/*.js test/**/*.js",