Upgarde to cypress v8.1

[Tbaut]

@asnaith I removed the --browser chrome in ci so that it doesn't pop-up when running it locally. I don't think we saw any difference adding it back then. lmk if you think otherwise.

[render]

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[asnaith]

@Tbaut Without the chrome flag the tests will get executed in electron which most (maybe all) our users don't use. I think it's better to force the tests to run in chrome.

[Tbaut]

The thing is electron is based on chromium, just like chrome and I thought if it's the default it's it's better suited to run headless in the CI. But I actually found what I wanted, my problem was that chrome was popping up, but we can run it headless, so I'll add it back with that.

edit: #1402