chore(deps): update dependency postcss to ^8.5.4 (#2004)

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

Author: renovate[bot]

packages/boutique/frontend/package.json

@@ -37,7 +37,7 @@
     "@types/react-dom": "18.3.6",
     "@vitejs/plugin-react-swc": "^3.8.1",
     "autoprefixer": "^10.4.21",
-    "postcss": "^8.5.3",
+    "postcss": "^8.5.4",
     "tailwindcss": "^3.4.17",
     "typescript": "^5.8.2",
     "vite": "^5.4.14"

packages/wallet/frontend/package.json

@@ -40,7 +40,7 @@
     "@types/react": "18.3.20",
     "@types/react-dom": "18.3.6",
     "autoprefixer": "^10.4.21",
-    "postcss": "^8.5.3",
+    "postcss": "^8.5.4",
     "tailwindcss": "^3.4.17",
     "typescript": "^5.8.2"
   }