Build(deps-dev): Bump concurrently from 6.1.0 to 6.2.0 in /website (#10968)
Bumps [concurrently](https://github.com/kimmobrunfeldt/concurrently) from 6.1.0 to 6.2.0.
- [Release notes](https://github.com/kimmobrunfeldt/concurrently/releases)
- [Commits](https://github.com/kimmobrunfeldt/concurrently/compare/v6.1.0...v6.2.0)
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