chore(security): bump postcss to >=8.5.12 (GHSA-6g55-p6wh-862q, alert #743) (#34485)

Co-authored-by: Alyar <>

Author: Alyar666

packages/devextreme-scss/package.json

@@ -6,7 +6,7 @@
     "chokidar": "5.0.0",
     "clean-css": "5.3.3",
     "opentype.js": "1.3.4",
-    "postcss": "8.5.10",
+    "postcss": "8.5.15",
     "sass-embedded": "1.93.3",
     "@stylistic/stylelint-plugin": "3.1.3",
     "stylelint": "catalog:",

packages/devextreme-themebuilder/package.json

@@ -30,7 +30,7 @@
   "dependencies": {
     "autoprefixer": "^10.4.21",
     "clean-css": "^5.3.0",
-    "postcss": "^8.5.10",
+    "postcss": "^8.5.12",
     "sass-embedded": "1.93.3"
   },
   "devDependencies": {