chore(deps): update dependency postcss to v8.4.40 [security]

Author: renovate[bot]

package-lock.json

@@ -114,7 +114,7 @@
     "jest-matchmedia-mock": "1.1.0",
     "npm-run-all": "4.1.5",
     "pkg-pr-new": "^0.0.25",
-    "postcss": "8.4.39",
+    "postcss": "8.4.40",
     "postcss-loader": "8.1.1",
     "prettier": "3.3.2",
     "resize-observer-polyfill": "1.5.1",