chore(deps): bump lightningcss from 1.29.2 to 1.29.3 in the build group

Bumps the build group with 1 update: [lightningcss](https://github.com/parcel-bundler/lightningcss).


Updates `lightningcss` from 1.29.2 to 1.29.3
- [Release notes](https://github.com/parcel-bundler/lightningcss/releases)
- [Commits](parcel-bundler/lightningcss@v1.29.2...v1.29.3)

---
updated-dependencies:
- dependency-name: lightningcss
  dependency-version: 1.29.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: build
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]