chore(deps): update dependency postcss to v8.5.23 [security]

Author: renovate[bot]

package.json

@@ -97,7 +97,7 @@
     "msw": "2.7.0",
     "msw-storybook-addon": "2.0.3",
     "playwright": "1.49.1",
-    "postcss": "8.4.47",
+    "postcss": "8.5.23",
     "prettier": "3.4.2",
     "react": "18.3.1",
     "react-relay": "17.0.0",