chore(deps): update dependency postcss to v8.5.10 [security]

Author: renovate[bot]

package.json

@@ -79,7 +79,7 @@
     "@types/resolve": "1.20.6",
     "bumpp": "^10.0.3",
     "flat": "6.0.1",
-    "postcss": "8.5.2",
+    "postcss": "8.5.10",
     "postcss-simple-vars": "7.0.1",
     "prettier": "3.5.1",
     "resolve": "1.22.10",