Bump concurrently from 5.0.2 to 5.1.0 in /website (#7451)
Bumps [concurrently](https://github.com/kimmobrunfeldt/concurrently) from 5.0.2 to 5.1.0.
- [Release notes](https://github.com/kimmobrunfeldt/concurrently/releases)
- [Commits](https://github.com/kimmobrunfeldt/concurrently/compare/v5.0.2...v5.1.0)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>