No error messages on using webkit browser

[harrison-carter]

Describe the bug

When using the Playwright package and using webkit as your browser, no chromatic-archives are generated.
There is no error message to throw that webkit will not generate archives.

To Reproduce

1. Within a Playwright configuration, change the browserName to use to be webkit
2. Run npx playwright test
3. Observe that no chromatic-archives are generated in the test-results folder

Expected behavior

An error to catch that webkit is not currently supported