fix(dev): commitlint dev dependency & config

[alxndrsn]

Copied from https://github.com/ladjs/superagent

Closes #853

Checklist

• I have ensured my pull request is not behind the main or master branch of the original repository.
• I have rebased all commits where necessary so that reviewing this pull request can be done without having to merge it first.
• I have written a commit message that passes commitlint linting.
• I have ensured that my code changes pass linting tests.
• I have ensured that my code changes pass unit tests.
• I have described my pull request and the reasons for code changes along with context if necessary.

[socket-security]

New and updated dependencies detected. Learn more about Socket for GitHub ↗︎

Package	New capabilities	Transitives	Size	Publisher
npm/@commitlint/cli@17.8.1	Transitive: environment, eval, filesystem, shell, unsafe	+173	35.2 MB	escapedcat
npm/@commitlint/config-conventional@17.8.1	Transitive: filesystem	+5	44.9 kB	escapedcat

View full report↗︎

[titanism]

v7.1.0 released to npm – please try it out and let us know if it works for you 🎉

https://github.com/ladjs/supertest/releases/tag/v7.1.0

Thank you for your contributions 🙏

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