chore: update dependency postcss-preset-env to ^10.6.1

Author: renovate[bot]

package.json

@@ -39,7 +39,7 @@
     "npm-run-all": "^4.1.5",
     "postcss": "^8.5.8",
     "postcss-html": "^1.8.1",
-    "postcss-preset-env": "^10.3.1",
+    "postcss-preset-env": "^10.6.1",
     "prettier": "^3.6.2",
     "prettier-plugin-astro": "^0.14.1",
     "stylelint": "^16.26.1",