Collapse log output

[MetRonnie]

The log output for our start command is extremely long. This makes it difficult to scroll to the actual test failures in the logging. It would be super useful if the log output for the start command could be collapsed/grouped using ::group:: - https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#grouping-log-lines

[MetRonnie]

Or as an alternative, summarise the Cypress test results in a markdown table: https://github.blog/2022-05-09-supercharging-github-actions-with-job-summaries/

Edit: see #559

[admah]

@MetRonnie I'm actually working on getting a summary done in #566. That should go in shortly.

[MetRonnie]

Ah I see

That's slightly different to what I had in mind, namely this table: