Bump minimist and karma

Removes [minimist](https://github.com/minimistjs/minimist). It's no longer used after updating ancestor dependency [karma](https://github.com/karma-runner/karma). These dependencies need to be updated together.


Removes `minimist`

Updates `karma` from 3.1.4 to 6.4.4
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](karma-runner/karma@v3.1.4...v6.4.4)

---
updated-dependencies:
- dependency-name: minimist
  dependency-version: 
  dependency-type: indirect
- dependency-name: karma
  dependency-version: 6.4.4
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]