Update dependency husky to v3

package-lock.json

@@ -6813,9 +6813,9 @@
       }
     },
     "husky": {
-      "version": "2.6.0",
-      "resolved": "https://registry.npmjs.org/husky/-/husky-2.6.0.tgz",
-      "integrity": "sha512-AbBod6i0qmaPv/fb9XjOR+m/cJ6MKToLpJh+pYV8Pl7VKvOWvCXpjQK1MkFC4XLoxGX6mqBFfA/H5ugxUd9nLg==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/husky/-/husky-3.0.0.tgz",
+      "integrity": "sha512-lKMEn7bRK+7f5eWPNGclDVciYNQt0GIkAQmhKl+uHP1qFzoN0h92kmH9HZ8PCwyVA2EQPD8KHf0FYWqnTxau+Q==",
       "dev": true,
       "requires": {
         "cosmiconfig": "^5.2.1",

package.json

@@ -54,7 +54,7 @@
     "grunt-shell": "3.0.1",
     "grunt-stylelint": "0.11.0",
     "grunt-wp-i18n": "1.0.3",
-    "husky": "2.6.0",
+    "husky": "3.0.0",
     "istanbul": "1.0.0-alpha.2",
     "lint-staged": "8.2.1",
     "mocha": "6.1.4",