fix(deps): update dependency yargs to v13 (#345)

renovate[bot] · bcoe · commit b2c8e59087b3 · 2019-05-05T10:38:22.000-07:00
diff --git a/package.json b/package.json
@@ -51,7 +51,7 @@
     "git-semver-tags": "2.0.2",
     "semver": "5.7.0",
     "stringify-package": "1.0.0",
-    "yargs": "12.0.5"
+    "yargs": "13.2.2"
   },
   "devDependencies": {
     "chai": "3.5.0",
