Bump plotly.js from 1.58.5 to 2.18.0 in /viplab-standalone-frontend-vue

Bumps [plotly.js](https://github.com/plotly/plotly.js) from 1.58.5 to 2.18.0.
- [Release notes](https://github.com/plotly/plotly.js/releases)
- [Changelog](https://github.com/plotly/plotly.js/blob/master/CHANGELOG.md)
- [Commits](plotly/plotly.js@v1.58.5...v2.18.0)

---
updated-dependencies:
- dependency-name: plotly.js
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]