fix: upgrade karma-coverage from 2.0.3 to 2.1.0
fix: upgrade karma-coverage from 2.0.3 to 2.1.0

Snyk has created this PR to upgrade karma-coverage from 2.0.3 to 2.1.0.

See this package in npm:
https://www.npmjs.com/package/karma-coverage

See this project in Snyk:
https://app.snyk.io/org/andreas.jaggi/project/8041ee69-68c8-4efa-b9f0-be50f7ba6c2c?utm_source=github&utm_medium=referral&page=upgrade-pr
wa0x6e/cal-heatmap