Resolve #3467309 "Error detection"

Closes #3467309

core/package.json

@@ -16,7 +16,7 @@
     "lint:core-js-passing": "node ./node_modules/eslint/bin/eslint.js --quiet --config=.eslintrc.passing.json .",
     "lint:core-js-stats": "node ./node_modules/eslint/bin/eslint.js --format=./scripts/js/eslint-stats-by-type.js .",
     "lint:css": "stylelint \"**/*.css\"",
-    "lint:css-checkstyle": "stylelint \"**/*.css\" --custom-formatter ./node_modules/stylelint-checkstyle-formatter/index.js",
+    "lint:css-checkstyle": "stylelint \"**/*.css\" --custom-formatter=@gitlab-formatters/stylelint-formatter-gitlab --output-file=gl-codequality.json",
     "lint:yaml": "node ./node_modules/eslint/bin/eslint.js --ext .yml .",
     "test:nightwatch": "node -r dotenv-safe/config ./node_modules/.bin/nightwatch --config ./tests/Drupal/Nightwatch/nightwatch.conf.js",
     "prettier": "prettier --write \"./**/*.css\" \"./**/*.js\"",
@@ -58,6 +58,7 @@
     "@ckeditor/ckeditor5-table": "~43.1.1",
     "@drupal/once": "^1.0.1",
     "@floating-ui/dom": "^1.6.8",
+    "@gitlab-formatters/stylelint-formatter-gitlab": "^1.0.2",
     "backbone": "^1.6.0",
     "chokidar": "^3.6.0",
     "ckeditor5": "~43.1.1",
@@ -82,10 +83,10 @@
     "mkdirp": "^3.0.1",
     "nightwatch": "^3.7.0",
     "normalize.css": "^8.0.1",
-    "postcss": "^8.4.40",
+    "postcss": "^8.4.48",
     "postcss-header": "^3.0.3",
     "postcss-import": "^16.1.0",
-    "postcss-preset-env": "^9.6.0",
+    "postcss-preset-env": "^10.0.9",
     "postcss-pxtorem": "^6.1.0",
     "postcss-url": "^10.1.3",
     "prettier": "^3.3.3",
@@ -93,7 +94,6 @@
     "stylelint": "^15.11.0",
     "stylelint-checkstyle-formatter": "^0.1.2",
     "stylelint-config-standard": "^34.0.0",
-    "stylelint-formatter-gitlab": "^1.0.2",
     "stylelint-order": "^6.0.4",
     "stylelint-prettier": "^4.1.0",
     "tabbable": "^6.2.0",