[risk=low] Upgrade karma due to dependency on vulnerable ua-parser-js

[jmthibault79]

Description:

karma <5.2.3 depends on vulnerable versions of ua-parser-js.

https://app.snyk.io/vuln/SNYK-JS-UAPARSERJS-610226
karma-runner/karma#3564

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PR checklist

• This PR meets the Acceptance Criteria in the JIRA story
• The JIRA story has been moved to Dev Review
• This PR includes appropriate unit tests
• I have run and tested this change locally
• I have run the E2E tests on ths change against my local UI + API server with yarn test-local
• If this includes a UI change, I have taken screen recordings or screenshots of the new behavior and notified the PO and UX designer
• If this includes an API change, I have updated the appropriate Swagger definitions and notified API consumers
• If this includes a new feature flag, I have created and linked new JIRA tickets to (a) turn on the feature flag and (b) remove it later

[jmthibault79]

Not sure why Karma chooses exact versions here instead of version ranges like it does elsewhere. This would have been a much smaller change if they stuck to ranges.