Update Stylelint to 14.16.0 (#37987).

git-svn-id: https://svn.redmine.org/redmine/trunk@21987 e93f8b46-1217-0410-a6f0-8f06a7374b81

.stylelintrc

@@ -3,7 +3,6 @@
     "color-no-invalid-hex": true,
     "font-family-no-duplicate-names": true,
     "font-family-no-missing-generic-family-keyword": true,
-    "function-calc-no-invalid": true,
     "function-calc-no-unspaced-operator": true,
     "function-linear-gradient-no-nonstandard-direction": true,
     "string-no-newline": true,

package.json

@@ -1,6 +1,6 @@
 {
   "dependencies": {},
   "devDependencies": {
-    "stylelint": "^13.0.0"
+    "stylelint": "^14.16.0"
   }
 }