chore(deps): bump stylus from 0.54.8 to 0.55.0 (#63)

Bumps [stylus](https:/stylus/stylus) from 0.54.8 to 0.55.0.
- [Release notes](https:/stylus/stylus/releases)
- [Changelog](https:/stylus/stylus/blob/dev/Changelog.md)
- [Commits](stylus/stylus@0.54.8...0.55.0)

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

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

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

package.json

@@ -29,7 +29,7 @@
  "license": "MIT",
  "dependencies": {
  "nib": "^1.1.2",
- "stylus": "^0.54.8"
+ "stylus": "^0.55.0"
  },
  "devDependencies": {
  "chai": "^4.2.0",