Update dependency stylelint-config-standard to v28

Author: renovate[bot]

package.json

@@ -154,7 +154,7 @@
     "semver": "^7.3.5",
     "simple-git-hooks": "^2.8.0",
     "stylelint": "^14.0.0",
-    "stylelint-config-standard": "^27.0.0",
+    "stylelint-config-standard": "^28.0.0",
     "stylus": "^0.59.0",
     "svelte": "^3.46.1",
     "svelte-adapter-ghpages": "0.0.2",