Bump lightningcss from 1.31.1 to 1.32.0 (#1008)

* Bump lightningcss from 1.31.1 to 1.32.0

Bumps [lightningcss](https://github.com/parcel-bundler/lightningcss) from 1.31.1 to 1.32.0.
- [Release notes](https://github.com/parcel-bundler/lightningcss/releases)
- [Commits](https://github.com/parcel-bundler/lightningcss/commits/v1.32.0)

---
updated-dependencies:
- dependency-name: lightningcss
  dependency-version: 1.32.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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* Update yarn.nix

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Author: dependabot[bot]

package.json

@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "@hotwired/turbo-rails": "^7.3.0",
-    "lightningcss": "^1.31.1",
+    "lightningcss": "^1.32.0",
     "sprinkles-js": "^0.3.2",
     "vite": "^7.3.1",
     "vite-plugin-ruby": "^5.1.3"