chore(deps-dev): bump highcharts from 9.0.1 to 9.1.1

Bumps [highcharts](https://github.com/highcharts/highcharts-dist) from 9.0.1 to 9.1.1.
- [Release notes](https://github.com/highcharts/highcharts-dist/releases)
- [Commits](highcharts/highcharts-dist@v9.0.1...v9.1.1)

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

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