fix(vite): only rerun if current spec/deps changed

[elevatebart]

User facing changelog

The spec rerun only happens when the current spec is updated.
Instead of happening even when another spec gets updated.

Reproduction

• Open Cypress component testing with vite-dev-server
  • cd npm/vite-dev-server
  • yarn cy:open
• Open a spec file in cypress
• Open another spec file in vscode
• change the open file in vscode and save
• Even if the current spec is not impacted, it is still re-run

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[jennifer-shehane]

@elevatebart If this is ready for review, can you provide a reproducible example to run to see this behavior? Or write an automated test to run in our repo for this?

[elevatebart]

@jennifer-shehane I have split this PR in 2 since one can be delivered immediately and the other will be delivered with the binary #17270

[cypress]

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Test summary

18193 • 0 • 214 • 7 • 3

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Run details

Project	cypress
Status	Passed
Commit	e0d2a49
Started	Jul 26, 2021 1:35 AM
Ended	Jul 26, 2021 1:46 AM
Duration	10:48 💡
OS	Linux Debian - 10.8
Browser	Multiple

View run in Cypress Dashboard ➡️

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Flakiness

	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
	commands/net_stubbing_spec.ts		2
1	network stubbing > intercepting response > can throttle a proxy response using res.setThrottle
2	network stubbing > intercepting request > can intercept utf-8 request bodies without crashing

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[lmiller1990]

I tried it out, works great. I wonder how we can test this kind of thing.