Bump karma from 4.1.0 to 4.2.0

Created by: dependabot-preview[bot]

Bumps karma from 4.1.0 to 4.2.0.

Release notes

Sourced from karma's releases.

v4.2.0

Bug Fixes

• logging: Util inspect for logging the config. (#3332) (70b72a9)
• reporter: format stack with 1-based column (#3325) (182c04d), closes #3324
• server: Add error handler for webserver socket. (#3300) (fe9a1dd)

Changelog

Sourced from karma's changelog.

4.2.0 (2019-07-12)

Bug Fixes

• logging: Util inspect for logging the config. (#3332) (70b72a9)
• reporter: format stack with 1-based column (#3325) (182c04d), closes #3324
• server: Add error handler for webserver socket. (#3300) (fe9a1dd)

Commits

• 42933c9 chore: release v4.2.0
• db1ea57 chore: update contributors
• a1049c6 chore: update eslint packages to latest and fix complaints (#3312)
• 70b72a9 fix(logging): Util inspect for logging the config. (#3332)
• 1087926 fix typo: (#3334)
• 182c04d fix(reporter): format stack with 1-based column (#3325)
• f0c4677 docs(travis): Correct the docs to also show how to do it on Xenial (#3316)
• 3aea7ec chore(deps): update core-js -> ^3.1.3 (#3321)
• 5e11340 chore: revert back to Mocha 4 (#3313)
• 1205bce chore(test): fix flaky test cases (#3314)
• Additional commits viewable in compare view

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