Bump concurrently from 5.0.1 to 5.0.2 in /website (#7149)
Bumps [concurrently](https://github.com/kimmobrunfeldt/concurrently) from 5.0.1 to 5.0.2.
- [Release notes](https://github.com/kimmobrunfeldt/concurrently/releases)
- [Commits](https://github.com/kimmobrunfeldt/concurrently/compare/v5.0.1...v5.0.2)
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