chore(deps): update dependency postcss to v8.4.42

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
   },
   "devDependencies": {
     "autoprefixer": "10.4.20",
-    "postcss": "8.4.40",
+    "postcss": "8.4.42",
     "postcss-cli": "11.0.0",
     "prettier": "3.3.3",
     "prettier-plugin-go-template": "0.0.15",