build: Updating npm dependencies

* eslint-config-wikimedia: 0.27.0 → 0.28.0
  The following rules are failing and were disabled:
  * resources/js:
    * no-jquery/no-extend

* grunt-stylelint: 0.19.0 → 0.20.0
* stylelint-config-wikimedia: 0.16.1 → 0.17.1

Change-Id: Ia94171d47725e7ae95d102afb8eb7fbb651c11d2

resources/js/.eslintrc.json

@@ -6,6 +6,7 @@
 		"wikimedia/mediawiki"
 	],
 	"rules": {
-		"no-jquery/no-global-selector": "off"
+		"no-jquery/no-global-selector": "off",
+		"no-jquery/no-extend": "warn"
 	}
 }