chore(package): update husky to version 4.0.6

Closes #62

Author: greenkeeper[bot]

Diff for: package.json

@@ -160,7 +160,7 @@
     "gulp-ui5-preload": "^1.3.1",
     "gulp-util": "^3.0.8",
     "handlebars": "^4.4.5",
-    "husky": "^3.0.9",
+    "husky": "^4.0.6",
     "less": "^3.10.3",
     "less-plugin-autoprefix": "2.0.0",
     "lint-staged": "^9.4.2",