chore(deps): update dependency stylelint-config-standard to v39 in package.json (#325)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -57,7 +57,7 @@
     "purgecss-whitelister": "2.4.0",
     "shx": "0.4.0",
     "stylelint": "16.26.1",
-    "stylelint-config-standard": "37.0.0"
+    "stylelint-config-standard": "39.0.1"
   },
   "otherDependencies": {
     "hugo": "0.87.0"