chore(package): update husky to version 4.0.2

Author: greenkeeper[bot]

package.json

@@ -31,7 +31,7 @@
     "@types/mocha": "^5.2.5",
     "@types/node": "^12.0.2",
     "chai": "^4.2.0",
-    "husky": "^3.0.0",
+    "husky": "^4.0.2",
     "mocha": "^6.0.0",
     "nyc": "^13.0.1",
     "source-map-support": "^0.5.9",