Bump postcss-preset-env from 9.5.3 to 9.5.11

Bumps [postcss-preset-env](https://github.com/csstools/postcss-plugins/tree/HEAD/plugin-packs/postcss-preset-env) from 9.5.3 to 9.5.11.
- [Changelog](https://github.com/csstools/postcss-plugins/blob/main/plugin-packs/postcss-preset-env/CHANGELOG.md)
- [Commits](https://github.com/csstools/postcss-plugins/commits/HEAD/plugin-packs/postcss-preset-env)

---
updated-dependencies:
- dependency-name: postcss-preset-env
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -28,7 +28,7 @@
     "leaflet-control-bar": "github:mapshakers/leaflet-control-bar",
     "leaflet-easybutton": "^2.4.0",
     "postcss": "^8.4.38",
-    "postcss-preset-env": "^9.5.3",
+    "postcss-preset-env": "^9.5.11",
     "prettier": "^3.2.5"
   }
 }