Update stylelint-declaration-block-no-ignored-properties to version 2.1.0

package.json

@@ -120,7 +120,7 @@
     "stylelint-config-prettier": "^5.0.0",
     "stylelint-config-rational-order": "^0.1.0",
     "stylelint-config-standard": "^18.2.0",
-    "stylelint-declaration-block-no-ignored-properties": "^1.1.0",
+    "stylelint-declaration-block-no-ignored-properties": "^2.1.0",
     "stylelint-order": "^2.0.0",
     "tslint": "^5.12.1",
     "tslint-config-prettier": "^1.17.0",