chore(package): update husky to version 4.2.4

Closes #239

Author: greenkeeper[bot]

package.json

@@ -49,7 +49,7 @@
         "browserify": "^16.3.0",
         "coveralls": "^3.0.5",
         "flow-bin": "^0.103.0",
-        "husky": "^3.0.1",
+        "husky": "^4.2.4",
         "jasmine-core": "^3.4.0",
         "js-yaml": "^3.13.1",
         "karma": "^4.2.0",