patch: upgrade dependencies

Author: chrisbreiding

package.json

@@ -55,7 +55,7 @@
     "mocha": "5.2.0",
     "mockery": "2.1.0",
     "nsp": "3.2.1",
-    "semantic-release": "15.9.3",
+    "semantic-release": "8.2.3",
     "simple-commit-message": "4.0.3",
     "sinon": "6.1.4",
     "sinon-chai": "3.2.0",