Update dependency karma to v6.3.18

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
karma (source)	6.3.17 -> 6.3.18

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Release Notes

karma-runner/karma

### [`v6.3.18`](https://togithub.com/karma-runner/karma/blob/HEAD/CHANGELOG.md#​6318-httpsgithubcomkarma-runnerkarmacomparev6317v6318-2022-04-13) [Compare Source](https://togithub.com/karma-runner/karma/compare/v6.3.17...v6.3.18) ##### Bug Fixes - **deps:** upgrade socket.io to v4.4.1 ([52a30bb](https://togithub.com/karma-runner/karma/commit/52a30bbc6e168333a8592c26c9f40678d6ab74ea))

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