Update dependency husky to v2.7.0

Author: renovate-bot

package-lock.json

@@ -31,7 +31,7 @@
     "eslint-config-prettier": "6.9.0",
     "eslint-plugin-import": "2.19.1",
     "eslint-plugin-prettier": "3.1.2",
-    "husky": "2.4.1",
+    "husky": "2.7.0",
     "jest": "24.9.0",
     "lint-staged": "8.2.1",
     "mongodb-memory-server": "6.6.1",