chore: upgrade karma dependencies to fix security issues

[rose-m]

This brings down the npm audit warnings to:

found 12 vulnerabilities (4 moderate, 8 high) in 2681 scanned packages
  12 vulnerabilities require manual review. See the full report for details.

11 vulnerabilities are attributed to dependencies of parcel-bundler which is not a runtime dependency of mongosh. 1 vulnerability is attributed to dependencies of download which is only used in the build package and not distributed with mongosh.