Update dependency grunt-concurrent to ~2.3.0 - autoclosed

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
grunt-concurrent	~2.2.1 -> ~2.3.0

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Release Notes

sindresorhus/grunt-concurrent (grunt-concurrent)

### [`v2.3.1`](https://togithub.com/sindresorhus/grunt-concurrent/compare/v2.3.0...v2.3.1) [Compare Source](https://togithub.com/sindresorhus/grunt-concurrent/compare/v2.3.0...v2.3.1) ### [`v2.3.0`](https://togithub.com/sindresorhus/grunt-concurrent/compare/v2.2.1...v2.3.0) [Compare Source](https://togithub.com/sindresorhus/grunt-concurrent/compare/v2.2.1...v2.3.0)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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