chore(deps-dev): bump lightningcss from 1.30.2 to 1.31.1 (#162)

Bumps [lightningcss](https://github.com/parcel-bundler/lightningcss) from 1.30.2 to 1.31.1.
- [Release notes](https://github.com/parcel-bundler/lightningcss/releases)
- [Commits](https://github.com/parcel-bundler/lightningcss/commits)

---
updated-dependencies:
- dependency-name: lightningcss
  dependency-version: 1.31.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

packages/lightningcss-plugin-if-function/package.json

@@ -57,7 +57,7 @@
     "css-if-polyfill": "workspace:*"
   },
   "devDependencies": {
-    "lightningcss": "1.30.2",
+    "lightningcss": "1.31.1",
     "microbundle": "0.15.1",
     "vitest": "4.0.18",
     "xo": "1.2.3"