feat: dashboard orchestration

[kuceb]

User facing changelog

• when canceling a run from the Dashboard, previously only parallelized runs would cancel correctly. Now all types of runs will respect cancelation and exit early.
• we now send individual configuration options defined on tests when recording to the dashboard
• we now provide test details to the Dashboard at the beginning of a run, so historical test code and other data will be provided immediately in the Dashboard
• configuration values which are changed at runtime prior to tests running are now properly captured as having resolved from the spec code to indicate where the change is originating from. Other values are config, env, cli.

Additional details

feat: support capturing Cypress config options set during the spec with Cypress.config(...) to display as resolved from 'spec' in dashboard

• fix Capture config changes from spec code in resolved config #15486

feat: send tests upfront and send additional information about each test including testConfigOverrides

• fix Capture individual configuration options defined on tests when recording to the dashboard #15487

feat: support cancellation of runs from the dashboard in both parallel and serial recording modes

• fix Respond to 'cancel run' from Dashboard and cancel remaining specs #1691

misc: api errors for serial record runs no longer warn and continue, but error and exit similar to how parallel record mode functions

How has the user experience changed?

PR Tasks

• Have tests been added/updated?
• Has the original issue or this PR been tagged with a release in ZenHub?

[cypress-bot]

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[cypress]

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Test summary

9384 • 0 • 119 • 3 • 1

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Run details

Project	cypress
Status	Passed
Commit	6699d9f
Started	Mar 11, 2021 6:09 PM
Ended	Mar 11, 2021 6:20 PM
Duration	11:13 💡
OS	Linux Debian - 10.5
Browser	Multiple

View run in Cypress Dashboard ➡️

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Flakiness

	cypress/integration/retries.ui.spec.js		1
1	runner/cypress retries.ui.spec > opens attempt on each attempt failure for the screenshot, and closes after test passes

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