devDeps: Remove concat-cli

[legobeat]

Description

Doesn't seem to ever have been useful.
Introduced in 69381f0

Prefer cat.

[github-actions]

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[socket-security]

New dependency changes detected. Learn more about Socket for GitHub ↗︎

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👍 No new dependency issues detected in pull request

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Pull request alert summary

Issue	Status
Critical CVE	✅ 0 issues
CVE	✅ 0 issues
Mild CVE	✅ 0 issues
Install scripts	✅ 0 issues
Native code	✅ 0 issues
Bin script confusion	✅ 0 issues
Bin script shell injection	✅ 0 issues
Unresolved require	✅ 0 issues
Invalid package.json	✅ 0 issues
HTTP dependency	✅ 0 issues
Git dependency	✅ 0 issues
GitHub dependency	✅ 0 issues
No bug tracker	✅ 0 issues
No contributors or author data	✅ 0 issues
No README	✅ 0 issues
Deprecated	✅ 0 issues
Unmaintained	✅ 0 issues
Potential typo squat	✅ 0 issues
Known Malware	✅ 0 issues
Telemetry	✅ 0 issues
Protestware/Troll package	✅ 0 issues
AI detected security risk	✅ 0 issues
AI warning	✅ 0 issues

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📊 Modified Dependency Overview:

🚮 Removed packages: concat-cli@4.0.0

[Gudahtt]

LGTM! I can't find any references to this package

[sethkfman]

LGTM