npm@7 raises unresolved dependency error with karma@6

[jlchereau]

npm update
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! While resolving: <project>@0.3.8
npm ERR! Found: karma@6.1.1
npm ERR! node_modules/karma
npm ERR!   dev karma@"^6.1.1" from the root project
npm ERR!
npm ERR! Could not resolve dependency:
npm ERR! peer karma@"^4.0.0 || ^5.0.0" from grunt-karma@4.0.0
npm ERR! node_modules/grunt-karma
npm ERR!   dev grunt-karma@"^4.0.0" from the root project
npm ERR!
npm ERR! Fix the upstream dependency conflict, or retry
npm ERR! this command with --force, or --legacy-peer-deps
npm ERR! to accept an incorrect (and potentially broken) dependency resol
ution.
npm ERR!

[gperrow]

This is not related to the version of npm - it's just because grunt-karma requires karma major version 4 or 5. However karma v6 was released recently and it supports socket.io v3. We need grunt-karma to support karma v6 or we can't upgrade socket.io.

[karmarunnerbot]

🎉 This issue has been resolved in version 4.0.2 🎉

The release is available on:

• GitHub release
• npm package (@latest dist-tag)

Your semantic-release bot 📦🚀