fix(deps): update dependency postcss to v8.5.8 (#1753)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -79,7 +79,7 @@
     "opentype.js": "1.3.4",
     "pino": "9.14.0",
     "points": "3.2.0",
-    "postcss": "8.5.6",
+    "postcss": "8.5.8",
     "rate-limiter-flexible": "5.0.5",
     "react": "18.3.1",
     "react-dom": "18.3.1",